id:A151517 - OEIS Search Results

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Number of 1-sided strip polyiamonds with n cells.

+0
1

1, 1, 1, 3, 4, 9, 13, 28, 44, 88, 149, 283, 494, 920, 1633, 3004, 5382, 9814, 17660, 32058 (list; graph; listen)

	OFFSET	`1,4`
	LINKS	`Ed Pegg, Jr., Illustrations of polyforms` `Eric Weisstein's World of Mathematics, Polyiamond`
	CROSSREFS	`Sequence in context: A079284 A000624 A056514 this_sequence A050163 A095292 A007293` `Adjacent sequences: A151514 A151515 A151516 this_sequence A151518 A151519 A151520`
	KEYWORD	`nonn`
	AUTHOR	`Ed Pegg, Jr., (ed(AT)mathpuzzle.com), May 13 2009`

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.