id:A094117 - OEIS Search Results

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Partial sums of A093349.

+0
1

0, 1, 1, 2, 2, 3, 3, 10, 16, 23, 29, 36, 42, 49, 49, 50, 50, 51, 51, 52, 52, 59, 65, 72, 78, 85, 91, 98, 98, 99, 99, 100, 100, 101, 101, 108, 114, 121, 127, 134, 140, 147, 147, 148, 148, 149, 149, 150, 150, 199, 247, 296, 344, 393, 441, 490, 532, 575, 617, 660, 702, 745 (list; graph; listen)

	OFFSET	`1,4`
	FORMULA	`a(7^k)=(49^k-1)/16`
	PROGRAM	`(PARI) a(n)=sum(k=1, n, -sum(i=1, k-1, (-1)^i*7^valuation(i, 7)))`
	CROSSREFS	`Sequence in context: A095741 A110880 A095060 this_sequence A097365 A156906 A053094` `Adjacent sequences: A094114 A094115 A094116 this_sequence A094118 A094119 A094120`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), May 03 2004`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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