id:A123003 - OEIS Search Results

Search: id:A123003

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G.f.: (8-29*x+24*x^2)/((1-4*x)*(1-3*x)*(1-2*x)^2*(1-x)^2).

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8, 75, 463, 2394, 11274, 50265, 216581, 912648, 3788560, 15565095, 63484779, 257591862, 1041276566, 4197718965, 16888451857, 67845945636, 272258886492, 1091657974275, 4374492890615, 17521540911570, 70156842333538, 280839342481425, 1123993155149853 (list; graph; listen)

	OFFSET	`0,1`
	LINKS	`E. Rodney Canfield and Herbert S. Wilf, Counting permutations by their runs up and down [See u_4.]`
	CROSSREFS	`Cf. A059427, A000352, A060158.` `Sequence in context: A116251 A166084 A123661 this_sequence A015578 A145600 A094735` `Adjacent sequences: A123000 A123001 A123002 this_sequence A123004 A123005 A123006`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Nov 09 2006`

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

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