id:A055863 - OEIS Search Results

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Fifth column of triangle A055858.

+0
1

0, 0, 0, 0, 320, 4500, 74088, 1404928, 30233088, 729000000, 19487171000, 572305637376, 18324574916544, 635492476982272, 23734930078125000, 949978046398464000, 40569151622782717952, 1841458074930764070912 (list; graph; listen)

	OFFSET	`0,5`
	FORMULA	`a(i)=0, i=0..3; a(n)= (n^3)(n+1)^(n-3), n >= 4.` `E.g.f.: -x(3+16x+54x^2)/12+(W(-x)^2)(3-7W(-x)+2W(-x)^2)/ (12(1+W(-x))*x), W(x) principal branch of Lambert's function.`
	CROSSREFS	`a(n)=A055858(n, 4). Cf. A000312, A000169, A055860-A055862.` `Sequence in context: A064905 A121010 A110289 this_sequence A045813 A121011 A004927` `Adjacent sequences: A055860 A055861 A055862 this_sequence A055864 A055865 A055866`
	KEYWORD	`nonn,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de) Jun 20 2000`

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

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