OFFSET
1,1
COMMENTS
Indices of primes which are 1 or 7 mod 8. - Charles R Greathouse IV, May 30 2013
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
PROG
(PARI) apply(n->primepi(n), select(n->n%8==1||n%8==7, primes(100))) \\ Charles R Greathouse IV, May 30 2013
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
EXTENSIONS
Adjusted for offset. - Charles R Greathouse IV, May 30 2013
STATUS
approved