OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
EXAMPLE
13 is a term since 13 = 2^3 + 2^2 + 2 - 1.
MATHEMATICA
lst={}; Do[p=(n^1+n^2+n^3)-1; If[PrimeQ[p], AppendTo[lst, p]], {n, 7!}]; lst
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Joseph Stephan Orlovsky, Feb 01 2009
STATUS
approved