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A151524 Number of 2-sided strip polyrhombs with n cells. +0
1
1, 1, 3, 5, 12, 24, 58, 126, 300, 686, 1630, 3792, 8983, 21051 (list; graph; listen)
OFFSET

1,3
LINKS

Ed Pegg, Jr., Illustrations of polyforms

Eric Weisstein's World of Mathematics, Polyrhomb

CROSSREFS

Sequence in context: A026786 A027246 A090345 this_sequence A030270 A129757 A135019

Adjacent sequences: A151521 A151522 A151523 this_sequence A151525 A151526 A151527

KEYWORD

nonn

AUTHOR

Ed Pegg, Jr., (ed(AT)mathpuzzle.com), May 13 2009

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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