Difference between revisions of "Blom"

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{{Methuselah|l=23314|name=Blom|pname=blom|bx=12|by=5|c=13|discoverer=Dean Hickerson|discoveryear=2002|life105=true|life106=true|plaintext=true|rle=true}}
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{{Methuselah
'''Blom''' is a [[methuselah]] with a lifespan of 23314 [[generation]]s that was found by [[:Category:Patterns found by Dean Hickerson|Dean Hickerson]] in July [[:Category:Patterns found in 2002|2002]]. It stabilizes with 2740 [[cell]]s.
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|name         = Blom
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|pname       = blom
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|c            = 13
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|bx           = 12
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|by           = 5
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|l            = 23314
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|f            = 2740
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|mcps        = 17
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|discoverer   = Dean Hickerson
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|discoveryear = 2002
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|plaintext   = true
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|rle         = true
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}}
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'''Blom''' is a [[methuselah]] with a lifespan of 23314 [[generation]]s that was found by [[Dean Hickerson]] in July {{year|2002}}. It stabilizes with 2740 [[cell]]s. The left half is a three generation predecessor of generation one of the [[B-heptomino]] while the right half is a 4 generation predecessor of the [[Stairstep hexomino]].
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In March and April 2017, [[Simon Ekström]] identified variants with a smaller bounding box, lower population and higher lifespan respectively,<ref name="post41276" /> as well as a 35-generation predecessor<ref name="post41728" /> and a 15&times;2 variant.<ref name="post42292" />
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==Stable pattern==
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The stable pattern that results from Blom (excluding 52 escaping [[glider]]s) has 2480 [[cell]]s and consists of 220 [[blinker]]s (including 21 [[traffic light]]s), 166 [[block]]s, 110 [[beehive]]s (including five [[honey farm]]s), 26 [[loaf|loaves]], 19 [[boat]]s, 13 [[ship]]s, six [[pond]]s, four [[tub]]s, three [[toad]]s, two [[long boat]]s, two [[ship-tie]]s in the form of a [[fleet]], one [[eater 1]], and one [[half-bakery]].
  
 
==Image gallery==
 
==Image gallery==
Line 9: Line 27:
 
==See also==
 
==See also==
 
*[[List of longest-lived methuselahs]]
 
*[[List of longest-lived methuselahs]]
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==References==
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<references>
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<ref name="post41276">{{LinkForumThread
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|format    = ref
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|author    = Simon Ekström
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|title      = Re: Long-lived methuselahs
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|date      = March 5, 2017
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|accessdate = January 21, 2018
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|p          = 41276
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}}</ref>
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<ref name="post41728">{{LinkForumThread
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|format    = ref
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|author    = Simon Ekström
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|title      = Re: Long-lived methuselahs
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|date      = March 16, 2017
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|accessdate = January 21, 2018
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|p          = 41728
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}}</ref>
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<ref name="post42292">{{LinkForumThread
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|format    = ref
 +
|author    = Simon Ekström
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|title      = Re: Long-lived methuselahs
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|date      = April 3, 2017
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|accessdate = January 21, 2018
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|p          = 42292
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}}</ref>
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</references>
  
 
==External links==
 
==External links==
*[http://www.argentum.freeserve.co.uk/lex_b.htm#blom Blom] at the Life Lexicon
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{{LinkLexicon|lex_b.htm#blom}}
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__NOTOC__

Latest revision as of 03:37, 29 December 2019

Blom
x = 12, y = 5, rule = B3/S23 o10bo$b4o6bo$2b2o7bo$10bo$8bobo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]]
Pattern type Methuselah
Number of cells 13
Bounding box 12×5
MCPS 17
Lifespan 23314 generations
Final population 2740
L/I 1793.4
F/I 210.8
F/L 0.118
L/MCPS 1371.4
Discovered by Dean Hickerson
Year of discovery 2002

Blom is a methuselah with a lifespan of 23314 generations that was found by Dean Hickerson in July 2002. It stabilizes with 2740 cells. The left half is a three generation predecessor of generation one of the B-heptomino while the right half is a 4 generation predecessor of the Stairstep hexomino.

In March and April 2017, Simon Ekström identified variants with a smaller bounding box, lower population and higher lifespan respectively,[1] as well as a 35-generation predecessor[2] and a 15×2 variant.[3]

Stable pattern

The stable pattern that results from Blom (excluding 52 escaping gliders) has 2480 cells and consists of 220 blinkers (including 21 traffic lights), 166 blocks, 110 beehives (including five honey farms), 26 loaves, 19 boats, 13 ships, six ponds, four tubs, three toads, two long boats, two ship-ties in the form of a fleet, one eater 1, and one half-bakery.

Image gallery

See also

References

  1. Simon Ekström (March 5, 2017). Re: Long-lived methuselahs (discussion thread) at the ConwayLife.com forums
  2. Simon Ekström (March 16, 2017). Re: Long-lived methuselahs (discussion thread) at the ConwayLife.com forums
  3. Simon Ekström (April 3, 2017). Re: Long-lived methuselahs (discussion thread) at the ConwayLife.com forums

External links