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

1,1

Comments

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

Links

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

Example

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

Prog

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

Crossrefs

Cf. A064371.

Sequence in context: A053605 A297565 A289884 * A132563 A065061 A007159

Adjacent sequences: A076144 A076145 A076146 * A076148 A076149 A076150

Keyword

nonn

Author

Zak Seidov, Nov 02 2002

Extensions

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

Status

approved