id:A115364 - OEIS Search Results

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Follow the ruler function A001511(n) by binomial(n+2,2).

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1, 3, 1, 6, 1, 3, 1, 10, 1, 3, 1, 6, 1, 3, 1, 15, 1, 3, 1, 6, 1, 3, 1, 10, 1, 3, 1, 6, 1, 3, 1, 21, 1, 3, 1, 6, 1, 3, 1, 10, 1, 3, 1, 6, 1, 3, 1, 15, 1, 3, 1, 6, 1, 3, 1, 10, 1, 3, 1, 6, 1, 3, 1, 28, 1, 3, 1, 6, 1, 3, 1, 10, 1, 3, 1, 6, 1, 3, 1, 15, 1, 3, 1, 6, 1, 3, 1, 10, 1, 3, 1, 6, 1 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Row sums of A115363. In general, the row sums of ((1,x)-m(x,x^2))^(-2) are obtained by following the ruler function A001511(n) by the solution of the recurrence a(1)=1,a(n)=n*m^(n-1)+a(n-1),n>1.`
	FORMULA	`a(n)=C(A001511(n)+2, 2).` `Dirichlet g.f.: zeta(s)*[2^s/(2^s-1)]^2. - Ralf Stephan, Jun 17 2007`
	CROSSREFS	`Adjacent sequences: A115361 A115362 A115363 this_sequence A115365 A115366 A115367` `Sequence in context: A010287 A130270 A090049 this_sequence A016476 A068436 A019570`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Jan 21 2006`

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Last modified May 16 01:24 EDT 2008. Contains 139630 sequences.

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