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A176708 Partial sums of A094820. 0
1, 3, 6, 11, 17, 25, 34, 45, 58, 73, 89, 108, 128, 150, 174, 201, 229, 260, 292, 327, 364, 403, 443, 487, 533, 581, 631, 684, 738, 796, 855, 917, 981, 1047, 1115, 1188, 1262, 1338, 1416, 1498, 1581, 1668, 1756, 1847, 1941, 2037, 2134, 2236, 2340, 2447, 2556 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..51.

PROG

(PARI) f(n) = sum(k=1, n, ceil(numdiv(k)/2)); \\ A094820

a(n) = sum(k=1, n, f(k)); \\ Michel Marcus, Sep 29 2021

CROSSREFS

Cf. A038548, A094820.

Sequence in context: A025743 A022338 A263807 * A273140 A320272 A119639

Adjacent sequences: A176705 A176706 A176707 * A176709 A176710 A176711

KEYWORD

easy,nonn

AUTHOR

Jonathan Vos Post, Apr 24 2010

EXTENSIONS

a(2) corrected by Georg Fischer, Sep 29 2021

STATUS

approved

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Last modified December 7 17:25 EST 2022. Contains 358668 sequences. (Running on oeis4.)