A093877 - OEIS

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A093877

Number of fixed n-celled polyzebras (or zebra-move-connected polyominoes).

1, 4, 28, 234, 2162, 21272, 218740, 2323730, 25314097, 281299736, 3176220308, 36332751862 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`A polyzebra is a (2,3) leaper. A polyzebra need not be connected in the usual edge-connected sense.`
	LINKS	`Table of n, a(n) for n=1..12.`
	CROSSREFS	`Cf. A030444 (polyknights).` `Sequence in context: A202824 A046904 A030444 * A151830 A112113 A188266` `Adjacent sequences: A093874 A093875 A093876 * A093878 A093879 A093880`
	KEYWORD	`nonn,more`
	AUTHOR	`Guenter Stertenbrink (Sterten(AT)aol.com), May 21 2004`
	EXTENSIONS	`a(11) from Joseph Myers, May 21 2004` `a(12) (computed by Gadi Aleksandrowicz's program) by Gill Barequet, Jun 09 2011`
	STATUS	`approved`

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Last modified May 25 03:39 EDT 2022. Contains 354047 sequences. (Running on oeis4.)