id:A056780 - OEIS Search Results

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Rectangular polyominoes: number of n-celled polyominoes when the cell is a rectangle.

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1, 2, 3, 9, 21, 68, 208, 730, 2542, 9287 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`M. Vicher, Polyforms` `M. Vicher, The 21 5-celled rectangular polyominoes` `M. Vicher, The 21 5-celled rectangular polyominoes`
	CROSSREFS	`Sequence in context: A101531 A099607 A077550 this_sequence A111360 A111238 A057832` `Adjacent sequences: A056777 A056778 A056779 this_sequence A056781 A056782 A056783`
	KEYWORD	`nice,nonn`
	AUTHOR	`James A. Sellers (sellersj(AT)math.psu.edu), Aug 28 2000`
	EXTENSIONS	`Edited by njas, Apr 25, 2001`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.