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A130251 Partial sums of A130249. 10
0, 2, 4, 7, 10, 14, 18, 22, 26, 30, 34, 39, 44, 49, 54, 59, 64, 69, 74, 79, 84, 90, 96, 102, 108, 114, 120, 126, 132, 138, 144, 150, 156, 162, 168, 174, 180, 186, 192, 198, 204, 210, 216, 223, 230, 237, 244, 251, 258, 265, 272, 279, 286, 293, 300, 307, 314, 321 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..57.

FORMULA

a(n)=sum{0<=k<=n, A130249(k)}=(n+1)*floor(log_2(3n+1))-1/2*A001045(floor(log_2(3n+1))+2)-1). G.f.: g(x)=1/(1-x)^2*sum{k>=1, x^A001045(k)}.

CROSSREFS

Cf. A130250, A130252, A130253, A130233, A130235, A130241, A130244. Also A105348, A001045.

Sequence in context: A273872 A087160 A107427 * A276208 A225635 A256967

Adjacent sequences:  A130248 A130249 A130250 * A130252 A130253 A130254

KEYWORD

nonn

AUTHOR

Hieronymus Fischer, May 20 2007

STATUS

approved

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Last modified April 25 08:06 EDT 2018. Contains 303048 sequences. (Running on oeis4.)