A100908 Numbers n such that (22^n+1)^2-2 is prime.

3, 166, 814, 1851, 2197, 3172, 3865, 19791

Offset

1,1

Comments

Next term > 22000.

Links

Table of n, a(n) for n=1..8.

S. Harvey, Carol and Kynea Primes.

Prog

(PARI) is(n)=ispseudoprime((22^n+1)^2-2) \\ Charles R Greathouse IV, Feb 19 2016

Crossrefs

Sequence in context: A298843 A298650 A299604 * A180449 A142200 A137476

Adjacent sequences: A100905 A100906 A100907 * A100909 A100910 A100911

Keyword

nonn,more

Author

Ray Chandler, Nov 21 2004

Status

approved