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

Author

Ray Chandler, Nov 21 2004

Keywords

• nonn
• more

Links

• S. Harvey, Carol and Kynea Primes.

Programs

PARI

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