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A005073 Sum of 4th powers of primes = 1 mod 3 dividing n. 0
0, 0, 0, 0, 0, 0, 2401, 0, 0, 0, 0, 0, 28561, 2401, 0, 0, 0, 0, 130321, 0, 2401, 0, 0, 0, 0, 28561, 0, 2401, 0, 0, 923521, 0, 0, 0, 2401, 0, 1874161, 130321, 28561, 0, 0, 2401, 3418801, 0, 0, 0, 0, 0, 2401, 0, 0, 28561 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,7

LINKS

Table of n, a(n) for n=1..52.

FORMULA

Additive with a(p^e) = p^4 if p = 1 (mod 3), 0 otherwise.

CROSSREFS

Sequence in context: A204357 A043420 A204304 * A176767 A018865 A186488

Adjacent sequences:  A005070 A005071 A005072 * A005074 A005075 A005076

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified May 21 02:08 EDT 2013. Contains 225472 sequences.