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A064604 Partial sums of A001159: sum of sigma_4(j), j=1..n. 1
1, 18, 100, 373, 999, 2393, 4795, 9164, 15807, 26449, 41091, 63477, 92039, 132873, 184205, 254110, 337632, 450563, 580885, 751783, 948747, 1197661, 1477503, 1835761, 2227012, 2712566, 3250650, 3906396, 4613678, 5486322, 6409844 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

FORMULA

a(n)=a(n-1)+A001159(n)= Sum_{sigma_4(j); j=1..n} where sigma_4(j)=A001159(j)

CROSSREFS

A001159, A064607.

Sequence in context: A044650 A008920 A087638 * A140198 A107600 A008528

Adjacent sequences:  A064601 A064602 A064603 * A064605 A064606 A064607

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Sep 24 2001

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Last modified February 16 10:28 EST 2012. Contains 205904 sequences.