

A133548


a(n) = sum of cubes of first n odd primes.


2



27, 152, 495, 1826, 4023, 8936, 15795, 27962, 52351, 82142, 132795, 201716, 281223, 385046, 533923, 739302, 966283, 1267046, 1624957, 2013974, 2507013, 3078800, 3783769, 4696442, 5726743, 6819470, 8044513, 9339542, 10782439, 12830822, 15078913, 17650266
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OFFSET

1,1


COMMENTS

9 is the only square in this sequence.


LINKS



FORMULA



EXAMPLE

a(3)=495 because 3^3+5^3+7^3=495.


MATHEMATICA

c = 3; a = {}; b = 0; Do[b = b + Prime[n]^c; AppendTo[a, b], {n, 2, 1000}]; a {*Artur Jasinski*)


PROG

(PARI) a(n) = sum(i=2, n+1, prime(i)^3); \\ Michel Marcus, Nov 05 2013


CROSSREFS



KEYWORD

nonn


AUTHOR



EXTENSIONS



STATUS

approved



