id:A121345 - OEIS Search Results

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Number of osculating polygons of perimeter 2n on square lattice.

+0
1

0, 1, 2, 9, 36, 170, 832, 4318, 23164, 128141, 725806, 4194923, 24657628, 147053105, 888044678, 5421873743, 33423442196, 207811667858, 1301996110320, 8213617403274, 52138266933540, 332834181990220 (list; graph; listen)

	OFFSET	`1,3`
	LINKS	`I. Jensen, Table of n, a(n) for n = 1..44 (from link below)` `I. Jensen, More terms`
	CROSSREFS	`Sequence in context: A121769 A006782 A073156 this_sequence A137955 A003161 A101610` `Adjacent sequences: A121342 A121343 A121344 this_sequence A121346 A121347 A121348`
	KEYWORD	`nonn`
	AUTHOR	`njas, Aug 29 2006`

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

AT&T Labs Research