id:A030447 - OEIS Search Results

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Number of n-celled polyknights with bilateral symmetry.

+0
5

1, 0, 4, 2, 30, 32, 274, 403, 2694, 4604, 27365 (list; graph; listen)

	OFFSET	`1,3`
	COMMENT	`A polyknight is a variant of a polyomino in which two tiles a knight's move apart are considered adjacent. A polyknight need not be connected in the sense of a polyomino.`
	CROSSREFS	`Cf. A030445, A030444, A030446, A030448.` `Sequence in context: A123670 A121667 A093991 this_sequence A076936 A086482 A078758` `Adjacent sequences: A030444 A030445 A030446 this_sequence A030448 A030449 A030450`
	KEYWORD	`nonn`
	AUTHOR	`Dave Wilson`
	EXTENSIONS	`Corrected and extended by Joseph S. Myers (jsm(AT)polyomino.org.uk), May 21, 2004`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.