A094116 - OEIS

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A094116

Partial sums of A093348.

0, 1, 1, 2, 2, 7, 11, 16, 20, 25, 25, 26, 26, 27, 27, 32, 36, 41, 45, 50, 50, 51, 51, 52, 52, 77, 101, 126, 150, 175, 195, 216, 236, 257, 277, 302, 326, 351, 375, 400, 420, 441, 461, 482, 502, 527, 551, 576, 600, 625, 625, 626, 626, 627, 627, 632, 636, 641, 645, 650 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,4`
	FORMULA	`a(5^k)=(25^k-1)/12`
	PROG	`(PARI) a(n)=sum(k=1, n, -sum(i=1, k-1, (-1)^i*5^valuation(i, 5)))`
	CROSSREFS	`Sequence in context: A000024 A005223 A118680 * A079476 A005298 A063692` `Adjacent sequences: A094113 A094114 A094115 * A094117 A094118 A094119`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), May 03 2004`

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.