id:A057426 - OEIS Search Results

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Number of asymmetric n-celled polyominoes with 1 hole.

+0
1

0, 0, 0, 0, 0, 0, 0, 5, 31, 185, 947, 4564, 21004, 93833, 410295, 1765378, 7504024, 31591157, 131982937, 547971412, 2263443059, 9309302775, 38149945673, 155858903955, 635066943350, 2581736396181 (list; graph; listen)

	OFFSET	`1,8`
	LINKS	`Tomas Oliveira e Silva, Enumeration of polyominoes`
	CROSSREFS	`Sequence in context: A034353 A078526 A137626 this_sequence A015540 A014987 A108079` `Adjacent sequences: A057423 A057424 A057425 this_sequence A057427 A057428 A057429`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Sep 05 2000`

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Last modified November 25 13:47 EST 2009. Contains 167481 sequences.

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