id:A062810 - OEIS Search Results

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Sum i^(n - i) + (n - i)^i, i = 1..n.

+0
3

1, 3, 7, 17, 45, 131, 419, 1465, 5561, 22755, 99727, 465537, 2303829, 12037571, 66174411, 381560425, 2301307841, 14483421859, 94909491607, 646309392369, 4565559980989, 33401808977411, 252713264780595, 1974606909857945 (list; graph; listen)

	OFFSET	`1,2`
	MATHEMATICA	`Sum[i^(n - i) + (n - i)^i, {i, 1, n}]`
	CROSSREFS	`2 * A026898(n) - 1.` `Equals 2 * A003101(n) + 1.` `Sequence in context: A018026 A087953 A106191 this_sequence A113985 A071985 A090977` `Adjacent sequences: A062807 A062808 A062809 this_sequence A062811 A062812 A062813`
	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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