id:A127750 - OEIS Search Results

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Row sums of inverse of number triangle A(n,k)=if(k<=n,if(n<=2k,1/(2n+1),0),0).

+0
2

1, 3, 2, 5, 2, 4, 2, 7, 2, 4, 2, 6, 2, 4, 2, 9, 2, 4, 2, 6, 2, 4, 2, 8, 2, 4, 2, 6, 2, 4, 2, 11, 2, 4, 2, 6, 2, 4, 2, 8, 2, 4, 2, 6, 2, 4, 2, 10, 2, 4, 2, 6, 2, 4, 2, 8, 2, 4, 2, 6, 2, 4, 2, 13, 2, 4, 2, 6, 2, 4, 2, 8, 2, 4, 2, 6, 2, 4, 2, 10, 2 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Conjecture: a(n) mod 2 gives Fredholm-Rueppel sequence A036987. Row sums of A127749.`
	CROSSREFS	`Sequence in context: A088233 A056008 A074830 this_sequence A112528 A154421 A057034` `Adjacent sequences: A127747 A127748 A127749 this_sequence A127751 A127752 A127753`
	KEYWORD	`nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Jan 28 2007`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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