OFFSET
1,1
EXAMPLE
a(3) = 17 because 1 + x + x^2 + x^3 + x^5 + x^7 + x^11 + x^13 + x^17 is irreducible over GF(2).
PROG
(PARI) lista(nn) = {my(f=1+x); forprime(p=2, nn, f+=x^p; if(polisirreducible(Mod(1, 2)*f), print1(p, ", "))); } \\ Jinyuan Wang, Apr 15 2020
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Robert G. Wilson v, Nov 10 2000
EXTENSIONS
a(7)-a(8) from Jinyuan Wang, Apr 15 2020
STATUS
approved