id:A055070 - OEIS Search Results

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Third column of triangle A055864.

+0
4

0, 0, 9, 80, 900, 12348, 200704, 3779136, 81000000, 1948717100, 52027785216, 1527047909712, 48884036690944, 1695352148437500, 63331869759897600, 2535571976423919872, 108321063231221415936, 4918685157679434648876 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`a(1)=0= a(2); a(n)= n^2(n+1)^(n-3), n >= 3.` `E.g.f. (3W(-x)^2-2W(-x)^3-3x^2-8x^3)/(12x), W(x) principal branch of Lambert's function.` `a(n)=A055864(n, 3).`
	CROSSREFS	`Cf. A055864, A000272, A055865.` `Sequence in context: A081108 A018913 A127265 this_sequence A143848 A117817 A107346` `Adjacent sequences: A055067 A055068 A055069 this_sequence A055071 A055072 A055073`
	KEYWORD	`nonn,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de) Jun 20 2000`

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.

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