# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a156018 Showing 1-1 of 1 %I A156018 #7 Feb 05 2020 04:02:42 %S A156018 2,13,83,257,1109,2953,6173,8419,14423,40493,99497,127549,178807, %T A156018 198533,347969,378503,480713,599843,787243,1271483,1417583,1574467, %U A156018 2883593,3133597,3397649,4770023,5118203,5482927,5671613,6469637,6680203 %N A156018 Primes of the form k^3 + k^2 + k - 1. %H A156018 Amiram Eldar, Table of n, a(n) for n = 1..10000 %e A156018 13 is a term since 13 = 2^3 + 2^2 + 2 - 1. %t A156018 lst={};Do[p=(n^1+n^2+n^3)-1;If[PrimeQ[p],AppendTo[lst,p]],{n,7!}];lst %Y A156018 Cf. A125964. %K A156018 nonn %O A156018 1,1 %A A156018 _Vladimir Joseph Stephan Orlovsky_, Feb 01 2009 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE