OFFSET
1,2
COMMENTS
PROG
(PARI) print1(1); forstep( n=2, 3000, 2, /* n%10|print1([n]); */ ispseudoprime( sum( i=1, n, prime(i)^(n+1-i))) & print1(", "n))
CROSSREFS
KEYWORD
nonn,more,hard
AUTHOR
M. F. Hasler, Feb 02 2009, Feb 16 2009
STATUS
approved