A151520 - OEIS

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A151520

Number of 1-sided strip polytans with n cells.

1, 4, 6, 21, 47 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	LINKS	`Ed Pegg, Jr., Illustrations of polyforms` `Eric Weisstein's World of Mathematics, Polytan`
	CROSSREFS	`Sequence in context: A143391 A019147 A026722 * A002270 A088228 A108636` `Adjacent sequences: A151517 A151518 A151519 * A151521 A151522 A151523`
	KEYWORD	`nonn`
	AUTHOR	`Ed Pegg, Jr., (ed(AT)mathpuzzle.com), May 13 2009`

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Last modified February 15 21:56 EST 2012. Contains 205860 sequences.