A057726 Primes of the form 3^(2^n) + 2.

5, 11, 83, 6563

Offset

1,1

Links

Table of n, a(n) for n=1..4.

Mathematica

Select[3^2^Range[0, 10]+2, PrimeQ] (* Harvey P. Dale, Dec 10 2019 *)

Crossrefs

Cf. A057727.

Sequence in context: A002359 A292754 A090518 * A057727 A228503 A128454

Adjacent sequences: A057723 A057724 A057725 * A057727 A057728 A057729

Keyword

hard,nonn

Author

G. L. Honaker, Jr., Oct 28 2000

Status

approved