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

Offset

1,2

Comments

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

Links

Table of n, a(n) for n=1..16.

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

Sequence in context: A333732 A274456 A333681 * A144722 A105808 A124058

Adjacent sequences: A084071 A084072 A084073 * A084075 A084076 A084077

Keyword

nonn,more

Author

Rick L. Shepherd, May 12 2003

Extensions

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

Status

approved