id:A056881 - OEIS Search Results

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Number of n-celled diagonally symmetric polyominoes without holes.

+0
1

0, 0, 1, 0, 2, 2, 6, 5, 21, 18, 70, 61, 239, 206, 828, 711, 2903, 2485, 10314, 8791, 37031, 31451, 134147, 113566, 489672, 413419, 1799084, 1515282 (list; graph; listen)

	OFFSET	`1,5`
	LINKS	`Tomas Oliveira e Silva, Enumeration of polyominoes`
	CROSSREFS	`Sequence in context: A156563 A054917 A111419 this_sequence A060779 A029594 A033712` `Adjacent sequences: A056878 A056879 A056880 this_sequence A056882 A056883 A056884`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Sep 03 2000`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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