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A093989 Number of free n-celled polyzebras (or zebra-move-connected polyominoes). +0
4
1, 1, 6, 35, 290, 2714, 27524, 291073, 3166124, 35169275, 397047529 (list; graph; listen)
OFFSET

1,3

COMMENT

A polyzebra is a (2,3) leaper. A polyzebra need not be connected in the usual edge-connected sense.

CROSSREFS

Cf. A093877, A093990-A093992, A030444.

Sequence in context: A087631 A167579 A030446 this_sequence A051337 A152128 A115457

Adjacent sequences: A093986 A093987 A093988 this_sequence A093990 A093991 A093992

KEYWORD

nonn

AUTHOR

Joseph S. Myers (jsm(AT)polyomino.org.uk), May 25 2004

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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