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A121310 Number of 4-anisohedral polyiamonds of order n. +0
1
1, 1, 2, 1, 2, 0, 7, 1, 3, 5, 1, 4, 4, 6, 4, 13, 4, 17, 13, 8 (list; graph; listen)
OFFSET

9,3
LINKS

Joseph Myers, Polyomino tiling

CROSSREFS

Sequence in context: A070963 A139158 A055135 this_sequence A024356 A143947 A073781

Adjacent sequences: A121307 A121308 A121309 this_sequence A121311 A121312 A121313

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Aug 25 2006

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Last modified December 5 08:23 EST 2009. Contains 170348 sequences.

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