id:A062806 - OEIS Search Results

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Sum i*n^i, i = 1..n.

+0
2

1, 10, 102, 1252, 18555, 324726, 6565468, 150652552, 3868151445, 109876543210, 3420886930626, 115835619046764, 4238148192940207, 166614350863692382, 7004068093591806840, 313512663723845890576, 14887093306681068252201 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n) = (n^(n+1) (n^2-n-1) + n)/(n-1)^2 for n>1. - Dean Hickerson, Jun 26, 2001`
	MATHEMATICA	`Sum[i*n^i, {i, 1, n}]`
	CROSSREFS	`Sequence in context: A037680 A038378 A061630 this_sequence A087393 A037596 A037687` `Adjacent sequences: A062803 A062804 A062805 this_sequence A062807 A062808 A062809`
	KEYWORD	`nonn,easy`
	AUTHOR	`Olivier Gerard (ogerard(AT)ext.jussieu.fr), Jun 23 2001`

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

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