id:A111586 - OEIS Search Results

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G.f.: -x*(1+x+x^2+2*x^3+3*x^4+3*x^5+x^6-x^7-x^9)/((1+x)*(-1+2*x+x^3)).

+0
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0, 1, 2, 5, 12, 28, 62, 136, 299, 661, 1456, 3213, 7085, 15628, 34467, 76021, 167668, 369805, 815629, 1798928, 3967659, 8750949, 19300824, 42569309, 93889565, 207079956, 456729219, 1007348005, 2221775964, 4900281149, 10807910301, 23837596568, 52575474283, 115958858869 (list; graph; listen)

	OFFSET	`0,3`
	REFERENCES	`V. Vatter, The Enumeration and Structure of Permutation Classes, Ph. D. Dissertation, Rutgers Univ., Math. Dept., 2006.`
	LINKS	`Index entries for sequences related to linear recurrences with constant coefficients`
	CROSSREFS	`Sequence in context: A018010 A026710 A118898 this_sequence A006979 A019301 A006980` `Adjacent sequences: A111583 A111584 A111585 this_sequence A111587 A111588 A111589`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Nov 17 2005`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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