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A005085 Sum of 4th powers of primes = 3 mod 4 dividing n. +0
1
0, 0, 81, 0, 0, 81, 2401, 0, 81, 0, 14641, 81, 0, 2401, 81, 0, 0, 81, 130321, 0, 2482, 14641, 279841, 81, 0, 0, 81, 2401, 0, 81, 923521, 0, 14722, 0, 2401, 81, 0, 130321, 81, 0, 0, 2482, 3418801, 14641, 81, 279841 (list; graph; listen)
OFFSET

1,3

FORMULA

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

CROSSREFS

Sequence in context: A159444 A116230 A056669 this_sequence A050455 A110727 A005068

Adjacent sequences: A005082 A005083 A005084 this_sequence A005086 A005087 A005088

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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