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A005072 Sum of cubes of primes = 1 mod 3 dividing n. 0
0, 0, 0, 0, 0, 0, 343, 0, 0, 0, 0, 0, 2197, 343, 0, 0, 0, 0, 6859, 0, 343, 0, 0, 0, 0, 2197, 0, 343, 0, 0, 29791, 0, 0, 0, 343, 0, 50653, 6859, 2197, 0, 0, 343, 79507, 0, 0, 0, 0, 0, 343, 0, 0, 2197, 0, 0, 0, 343, 6859, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,7

LINKS

Table of n, a(n) for n=1..58.

FORMULA

Additive with a(p^e) = p^3 if p = 1 (mod 3), 0 otherwise.

CROSSREFS

Sequence in context: A023909 A035844 A028681 * A112821 A045130 A045269

Adjacent sequences:  A005069 A005070 A005071 * A005073 A005074 A005075

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified May 25 21:30 EDT 2013. Contains 225649 sequences.