A133548 a(n) = sum of cubes of first n odd primes.

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

Offset: 1

Author

Artur Jasinski, Sep 16 2007, corrected Jun 08 2008

Keywords

• nonn
• easy

Examples

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

Links

• Harvey P. Dale, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A007148, A007504, A024450, A098999, A133547, A133549, A133550, A133551.

Programs

Mathematica

c = 3; a = {}; b = 0; Do[b = b + Prime[n]^c; AppendTo[a, b], {n, 2, 1000}]; a
Accumulate[Prime[Range[2,40]]^3] (* Harvey P. Dale, Oct 31 2024 *)

PARI

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

Formula

a(n) = A098999(n+1) - 8.

Extensions

More terms from Michel Marcus, Nov 05 2013