A156018 Primes of the form k^3 + k^2 + k - 1.

2, 13, 83, 257, 1109, 2953, 6173, 8419, 14423, 40493, 99497, 127549, 178807, 198533, 347969, 378503, 480713, 599843, 787243, 1271483, 1417583, 1574467, 2883593, 3133597, 3397649, 4770023, 5118203, 5482927, 5671613, 6469637, 6680203

Offset: 1

Author

Vladimir Joseph Stephan Orlovsky, Feb 01 2009

Keywords

• nonn

Examples

			13 is a term since 13 = 2^3 + 2^2 + 2 - 1.
		

Links

• Amiram Eldar, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A125964.

Programs

Mathematica

lst={};Do[p=(n^1+n^2+n^3)-1;If[PrimeQ[p],AppendTo[lst,p]],{n,7!}];lst