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Search: id:A151523
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A151523 Number of 1-sided strip polyrhombs with n cells. +0
1
1, 2, 4, 10, 20, 48, 106, 252, 578, 1372, 3208, 7584, 17850, 42102 (list; graph; listen)
OFFSET

1,2
LINKS

Ed Pegg, Jr., Illustrations of polyforms

Eric Weisstein's World of Mathematics, Polyrhomb

CROSSREFS

Sequence in context: A121880 A094536 A003407 this_sequence A026395 A090246 A104442

Adjacent sequences: A151520 A151521 A151522 this_sequence A151524 A151525 A151526

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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