id:A094168 - OEIS Search Results

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

+0
2

1, 7, 42, 252, 1505, 8946, 53165, 315980, 1878597, 11171930, 66456082, 395399760, 2352979538, 14004512886 (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.` `Adjacent sequences: A094165 A094166 A094167 this_sequence A094169 A094170 A094171` `Sequence in context: A054890 A102594 A053142 this_sequence A003949 A033133 A082035`
	KEYWORD	`nonn`
	AUTHOR	`njas, May 06 2004`

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Last modified October 13 09:05 EDT 2008. Contains 145008 sequences.