id:A055868 - OEIS Search Results

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Fifth column of triangle A055864.

+0
2

0, 0, 0, 0, 625, 9072, 153664, 2985984, 65610000, 1610510000, 43717791744, 1301153248512, 42150011228416, 1476840093750000, 55662776156160000, 2246042996417036288, 96619713808095645696, 4414553991933897025584 (list; graph; listen)

	OFFSET	`1,5`
	FORMULA	`a(i)=0 for i=1..4; a(n)= n^4(n+1)^(n-5), n >= 5.` `E.g.f.: (270W(-x)^2-740W(-x)^3+345W(-x)^4-36W(-x)^5-270x^2-1280x^3-3645x^4-9216x^5)/(4320x), W(x) principal branch of Lambert's function.`
	CROSSREFS	`a(n)=A055864(n, 5). Cf. A000272, A055865, A055070, A055867, A055858.` `Sequence in context: A016816 A046756 A064781 this_sequence A106321 A016852 A016972` `Adjacent sequences: A055865 A055866 A055867 this_sequence A055869 A055870 A055871`
	KEYWORD	`nonn,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de) Jun 20 2000`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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