id:A057407 - OEIS Search Results

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Number of self-avoiding polygons of area n with 2 (self-avoiding polygon) holes on square lattice (not allowing rotations).

+0
1

2, 36, 366, 2832, 18666, 110724, 609922, 3182038, 15931446, 77253554, 365240626, 1691895678, 7707586246, 34630458076, 153803559514, 676416563354, 2949990640350, 12772844235264, 54957447470264 (list; graph; listen)

	OFFSET	`13,1`
	LINKS	`I. Jensen, Table of n, a(n) for n = 13..44 (from link below)` `I. Jensen, More terms`
	CROSSREFS	`Sequence in context: A126735 A119582 A157055 this_sequence A092852 A139738 A025608` `Adjacent sequences: A057404 A057405 A057406 this_sequence A057408 A057409 A057410`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Aug 30 2000`

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.

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