A100900 Numbers n such that (2^n+1)^3-2 is prime.

3, 7, 11, 15, 35, 16475, 26827, 79127, 85075

Offset

1,1

Comments

Next term > 88000.

471043 is in the sequence, but its position is not determined yet. - Serge Batalov, Jun 18 2016

Links

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

S. Harvey, Carol and Kynea Primes.

Prog

(PARI) is(n)=(n%4==3 && ispseudoprime((2^n+1)^3-2)) \\ Charles R Greathouse IV, Feb 19 2016

Crossrefs

Cf. A099359.

Sequence in context: A173530 A192114 A145052 * A117829 A166092 A375053

Adjacent sequences: A100897 A100898 A100899 * A100901 A100902 A100903

Keyword

nonn,more

Author

Ray Chandler, Nov 21 2004

Status

approved