A093989 - OEIS

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A093989

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

4

1, 1, 6, 35, 290, 2714, 27524, 291073, 3166124, 35169275, 397047529, 4541672859, 52510998347

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,3

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..13.

CROSSREFS

Cf. A093877, A093990, A093991, A093992, A030444.

Sequence in context: A167579 A357095 A030446 * A357037 A356460 A261073

Adjacent sequences: A093986 A093987 A093988 * A093990 A093991 A093992

KEYWORD

nonn,more

AUTHOR

Joseph Myers, May 25 2004

STATUS

approved