A100901 Numbers n such that (6^n-1)^2-2 is prime.

1, 2, 6, 7, 20, 47, 255, 274, 279, 308, 1162, 2128, 3791, 9028, 9629, 10029, 13202, 38660, 46631, 48257

Offset

1,2

Links

Table of n, a(n) for n=1..20.

S. Harvey, Carol and Kynea Primes.

Prog

(PARI) is(n)=ispseudoprime((6^n-1)^2-2) \\ Charles R Greathouse IV, Feb 19 2016

Crossrefs

Sequence in context: A095036 A290379 A342534 * A004791 A220946 A243795

Adjacent sequences: A100898 A100899 A100900 * A100902 A100903 A100904

Keyword

nonn,more

Author

Ray Chandler, Nov 21 2004

Status

approved