id:A130252 - OEIS Search Results

Search: id:A130252

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Partial sums of A130250.

+0
6

0, 1, 4, 7, 11, 15, 20, 25, 30, 35, 40, 45, 51, 57, 63, 69, 75, 81, 87, 93, 99, 105, 112, 119, 126, 133, 140, 147, 154, 161, 168, 175, 182, 189, 196, 203, 210, 217, 224, 231, 238, 245, 252, 259, 267, 275, 283, 291, 299, 307, 315, 323, 331, 339, 347, 355, 363, 371 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`a(n)=sum{0<=k<=n, A130250(k)}=nceiling(log_2(3n-1))-1/2A001045(ceiling(log_2(3n-1))+1)-1). G.f.: g(x)=1/(1-x)^2*sum{k>=0, x^A001045(k)}.`
	CROSSREFS	`Cf. A130249, A130251, A130253, A130254, A130234, A130236, A130242, A130244. Also A105348, A001045.` `Sequence in context: A101741 A056548 A065981 this_sequence A130254 A134918 A078916` `Adjacent sequences: A130249 A130250 A130251 this_sequence A130253 A130254 A130255`
	KEYWORD	`nonn`
	AUTHOR	`Hieronymus Fischer (Hieronymus.Fischer(AT)gmx.de), May 20 2007`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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