id:A030446 - OEIS Search Results

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Number of n-celled polyknights (polyominoes connected by knight's moves).

+0
5

1, 1, 6, 35, 290, 2680, 26379, 267598, 2758016, 28749456, 302120154 (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.` `These are free polyknights.`
	CROSSREFS	`Cf. A030445, A030444, A030447, A030448.` `Sequence in context: A145145 A087631 A167579 this_sequence A093989 A051337 A152128` `Adjacent sequences: A030443 A030444 A030445 this_sequence A030447 A030448 A030449`
	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 December 17 23:40 EST 2009. Contains 171025 sequences.