

A137236


Numbers k such that 13^k + 4 is prime.


3



0, 1, 2, 6, 10, 15, 94, 198, 219, 4543, 11511, 12638, 45606
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OFFSET

1,3


COMMENTS



LINKS



PROG

(PARI) for(n=0, 300, if(isprime(13^n+4), print1(n", ")))


CROSSREFS



KEYWORD

hard,more,nonn


AUTHOR



EXTENSIONS

a(13) from Lelio R. Paula contributed by Iain Fox, Nov 24 2017


STATUS

approved



