OFFSET
1,1
EXAMPLE
a(1) = 5 because there are 5 primes of the form b^2+3 for b <= 10: 3, 7, 19, 67 and 103.
PROG
(PARI) {a(n) = sum(k=0, 10^n, isprime(k^2+3))}
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Seiichi Manyama, Apr 07 2018
STATUS
approved