id:A067676 - OEIS Search Results

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Number of directed convex polyominoes with n cells.

+0
2

1, 2, 5, 13, 33, 82, 200, 481, 1144, 2699, 6329, 14775, 34381, 79819, 185001, 428290, 990716, 2290424, 5293153, 12229209 (list; graph; listen)

	OFFSET	`1,2`
	REFERENCES	`M. Bousquet-M\'elou and J.-M. F\'edou, The generating function of convex polyominoes: the resolution of a q-differential system, Discrete Math. 137 (1995) 53-75`
	CROSSREFS	`Cf. A067675.` `Sequence in context: A088921 A005183 A005348 this_sequence A116703 A116724 A007443` `Adjacent sequences: A067673 A067674 A067675 this_sequence A067677 A067678 A067679`
	KEYWORD	`nonn`
	AUTHOR	`S. R. Finch (Steven.Finch(AT)inria.fr), Feb 04 2002`

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Last modified November 22 20:51 EST 2009. Contains 167312 sequences.