id:A151518 - OEIS Search Results

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Number of 2-sided strip polyiamonds with n cells.

+0
1

1, 1, 1, 2, 3, 5, 8, 15, 25, 46, 80, 145, 256, 466, 833, 1513, 2720, 4925, 8881, 16063 (list; graph; listen)

	OFFSET	`1,4`
	LINKS	`Ed Pegg, Jr., Illustrations of polyforms` `Eric Weisstein's World of Mathematics, Polyiamond`
	CROSSREFS	`Sequence in context: A102973 A066372 A058519 this_sequence A082095 A006982 A054539` `Adjacent sequences: A151515 A151516 A151517 this_sequence A151519 A151520 A151521`
	KEYWORD	`nonn`
	AUTHOR	`Ed Pegg, Jr., (ed(AT)mathpuzzle.com), May 13 2009`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.