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A156779 Sum( d | n, sp(d)), where sp(d) = A034387(d) = sum of primes <= d. 0
0, 2, 5, 7, 10, 17, 17, 24, 22, 29, 28, 50, 41, 60, 56, 65, 58, 92, 77, 111, 99, 107, 100, 167, 110, 143, 122, 165, 129, 214, 160, 225, 193, 220, 187, 285, 197, 276, 243, 325, 238, 390, 281, 393, 354, 383, 328, 536, 345, 457, 391, 476, 381, 573, 419, 563, 463 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

PROG

(PARI) vector(80, n, sumdiv(n, d, sum(i=1, primepi(d), prime(i))))

CROSSREFS

Sequence in context: A172410 A103871 A068817 * A076802 A024374 A065219

Adjacent sequences:  A156776 A156777 A156778 * A156780 A156781 A156782

KEYWORD

nonn

AUTHOR

M. F. Hasler (www.univ-ag.fr/~mhasler), Feb 21 2009

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Last modified February 14 09:18 EST 2012. Contains 205614 sequences.