id:A035356 - OEIS Search Results

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Number of asymmetric polygonal cacti with bridges (mixed Husimi trees).

+0
2

1, 1, 0, 0, 0, 0, 1, 4, 13, 45, 143, 461, 1470, 4747, 15364, 50283, 165549, 549734, 1837539, 6184589, 20938983, 71297174, 244009225, 839101403, 2898145437, 10050549437, 34985611467, 122209803101, 428285696895, 1505491979826 (list; graph; listen)

	OFFSET	`0,8`
	LINKS	`Index entries for sequences related to cacti` `Index entries for sequences related to trees`
	FORMULA	`G.f.: A(x)=B(x)+C(x)-B(x)*D(x), B, C, D resp gfs of A035353, A035354, A035355.`
	CROSSREFS	`Cf. A000083, A000237, A000314, A035082, A035349-A035357.` `Sequence in context: A124463 A081197 A005490 this_sequence A165205 A149431 A149432` `Adjacent sequences: A035353 A035354 A035355 this_sequence A035357 A035358 A035359`
	KEYWORD	`nonn`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Nov 15 1998.`

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

AT&T Labs Research