A100905 Numbers n such that (14^n-1)^2-2 is prime.

1, 6, 13, 45, 74, 240, 553, 12348, 13659

Offset

1,2

Comments

Next term > 40000.

Links

Table of n, a(n) for n=1..9.

S. Harvey, Carol and Kynea Primes.

Prog

(PARI) is(n)=ispseudoprime((14^n-1)^2-2) \\ Charles R Greathouse IV, Feb 19 2016

Crossrefs

Sequence in context: A057451 A239794 A034753 * A353964 A041489 A239530

Adjacent sequences: A100902 A100903 A100904 * A100906 A100907 A100908

Keyword

nonn,more

Author

Ray Chandler, Nov 21 2004

Extensions

No further terms up to 40000

Status

approved