A055913 - OEIS

This site is supported by donations to The OEIS Foundation.

A055913

Column 7 of triangle A055907.

1, 14, 100, 511, 2116, 7501, 23527, 66834, 174953, 427486, 984654, 2154809, 4508722, 9067082, 17600002, 33094234, 60466665, 107632267, 187074805, 318119850, 530176267, 867294295, 1394495598, 2206460931, 3439326144 (list; graph; refs; listen; history; internal format)

	OFFSET	`7,2`
	LINKS	`A. J. Guttmann and A. R. Conway, Hexagonal lattice directed site animals, Statistical Physics on the Eve of the Twenty-First Century, ed. M. T. Batchelor, World Scientific, 1999 (H_7 for hexagonal lattices Table 1).`
	FORMULA	`G.f.: x^7B(x)/((1-x)^15(1+x)^7(1+x^2)^6(1+x^2+x^4)^4*(1+x^4)^2) where B(x) is g.f. of A055916.`
	CROSSREFS	`Sequence in context: A099193 A086951 A041370 * A005757 A089508 A161475` `Adjacent sequences: A055910 A055911 A055912 * A055914 A055915 A055916`
	KEYWORD	`nonn`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Jun 22 2000`

Content is available under The OEIS End-User License Agreement .

Last modified February 14 15:30 EST 2012. Contains 205632 sequences.