id:A031972 - OEIS Search Results

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A031972

Sum n^k, k=1..n.

+0
3

1, 6, 39, 340, 3905, 55986, 960799, 19173960, 435848049, 11111111110, 313842837671, 9726655034460, 328114698808273, 11966776581370170, 469172025408063615, 19676527011956855056, 878942778254232811937 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(1)=1; for n>1 a(n) = (n^(n+1)-1)/(n-1) - 1. - Benoit Cloitre (benoit7848c(AT)orange.fr), Aug 17 2002`
	CROSSREFS	`Sequence in context: A007322 A058191 A113347 this_sequence A124577 A006678 A034661` `Adjacent sequences: A031969 A031970 A031971 this_sequence A031973 A031974 A031975`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified July 25 02:12 EDT 2008. Contains 142294 sequences.

AT&T Labs Research