A084074 - OEIS

A084074

Numbers k such that 11*13^k + 2 is prime.

0, 2, 3, 4, 6, 8, 19, 98, 174, 578, 678, 966, 1792, 4132, 5772, 10947, 27148, 30198, 32731

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OFFSET

1,2

COMMENTS

Some of the larger entries may only correspond to probable primes.

LINKS

EXAMPLE

Primes 13,1861,24169,314173 are 11*13^0+2, 11*13^2+2, 11*13^3+2, 11*13^4+2.

PROG

(PARI) for(n=0, 6000, if(isprime(11*13^n+2), print1(n, ", ")))

CROSSREFS

KEYWORD

nonn,more

AUTHOR

EXTENSIONS

a(16) from Michael S. Branicky, Jul 14 2023

a(17)-a(19) from Michael S. Branicky, Sep 09 2024

STATUS

approved