id:A131176 - OEIS Search Results

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a(n)=(n^5-n-10)/10.

+0
2

-1, -1, 2, 23, 101, 311, 776, 1679, 3275, 5903, 9998, 16103, 24881, 37127, 53780, 75935, 104855, 141983, 188954, 247607, 319997, 408407, 515360, 643631, 796259, 976559, 1188134, 1434887, 1721033, 2051111, 2429996, 2862911, 3355439, 3913535, 4543538, 5252183, 6046613, 6934391 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`a(n) = ((n^5 - n - 1) - 9)/10` `G.f.: (-1+5x-7x^2+16x^3-2x^4+x^5)/(-1+x)^6. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 14 2007`
	MATHEMATICA	`Table[((n^5 - n - 1) - 9)/10, {n, 0, 100}]`
	CROSSREFS	`Cf. A126426, A134326, A134327.` `Sequence in context: A069152 A131464 A053999 this_sequence A141405 A068876 A073175` `Adjacent sequences: A131173 A131174 A131175 this_sequence A131177 A131178 A131179`
	KEYWORD	`sign`
	AUTHOR	`Artur Jasinski (grafix(AT)csl.pl), Oct 20 2007`

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.

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