OFFSET
1,1
LINKS
Klaus Brockhaus, Table of n, a(n) for n = 1..5000
PROG
(PARI) forprime(p=2, 700000, if(trap(, 0, sqrtn(Mod(2, p), 41); 1), if(p%41==1, print1(p, ", "))));
CROSSREFS
KEYWORD
nonn
AUTHOR
Klaus Brockhaus, May 18 2011
STATUS
approved