A076147 Numbers k such that the k-th prime + k is a cube.

3, 8, 147, 355, 503, 4417, 6288, 22234, 69229, 93068, 105397, 133205, 908767, 1993176, 2081117, 2619491, 2853730, 3559940, 3585297, 3792049, 4228461, 5228796, 6117140, 7624645, 7707795, 9260828, 10435784, 10691791, 11323477

Offset: 1

Author

Zak Seidov, Nov 02 2002

Keywords

• nonn

Comments

k such that the k-th prime + k is a square gives A064371.

Examples

			3 is a term because 3+prime(3) = 3+5 = 2^3.
		

Links

• Giovanni Resta, Table of n, a(n) for n = 1..500

Crossrefs

Cf. A064371.

Programs

PARI

isok(n) = ispower(prime(n)+n, 3); \\ Michel Marcus, Oct 02 2013

Extensions

a(9)-a(29) from Donovan Johnson, Jul 02 2010