Difference between revisions of "Nonomino switch engine predecessor"
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(Definition from Lexicon Release 29) |
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'''Nonomino switch engine predecessor''' is the unique nonomino (a [[polyomino]] having 9 cells) whose evolution results in a [[switch engine]]. It is the smallest polyomino to do so. | '''Nonomino switch engine predecessor''' is the unique nonomino (a [[polyomino]] having 9 cells) whose evolution results in a [[switch engine]]. It is the smallest polyomino to do so. | ||
Charles Corderman may have found this object in | Charles Corderman may have found this object in {{year|1971}} while exhaustively investigating the [[fate]] of all the small polyominoes. Records indicate that he found the switch engine while investigating the decominoes (polyominoes having 10 cells). However, there do not appear to be decominoes which result in a clean switch engine. If Corderman was examining polyominoes in order of size, then this smaller predecessor should have been found first in any case. | ||
{{EmbedViewer | {{EmbedViewer | ||
|pname = nonominoswitchenginepredecessor | |pname = nonominoswitchenginepredecessor | ||
Revision as of 03:59, 29 December 2019
Nonomino switch engine predecessor is the unique nonomino (a polyomino having 9 cells) whose evolution results in a switch engine. It is the smallest polyomino to do so.
Charles Corderman may have found this object in 1971 while exhaustively investigating the fate of all the small polyominoes. Records indicate that he found the switch engine while investigating the decominoes (polyominoes having 10 cells). However, there do not appear to be decominoes which result in a clean switch engine. If Corderman was examining polyominoes in order of size, then this smaller predecessor should have been found first in any case.
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