id:A094167 - OEIS Search Results

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Number of rooted 2-dimensional polyominoes with n pentagonal cells, with no symmetries removed.

+0
2

1, 5, 30, 180, 1075, 6366, 37520, 220500, 1293615, 7581240, 44398387, 259881960, 1520633270, 8895116230 (list; graph; listen)

	OFFSET	`1,2`
	REFERENCES	`Dan Hoey, Bill Gosper and Rich Schroeppel, Discussions in Math-Fun Mailing list, circa Jul 13 1999.`
	LINKS	`R. C. Schroeppel, A few mathematical experiments`
	CROSSREFS	`A row of A094166.` `Sequence in context: A057088 A105481 A051738 this_sequence A052934 A136785 A076036` `Adjacent sequences: A094164 A094165 A094166 this_sequence A094168 A094169 A094170`
	KEYWORD	`nonn`
	AUTHOR	`njas, May 06 2004`

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Last modified July 23 17:35 EDT 2008. Contains 142285 sequences.