A301808 Primes of form 4*k^k + 3.

7, 19, 12503, 40000000003, 8203095294242440214580822436689504141944719346082430189179667864757469187

Offset

1,1

Comments

The next term is too large to include.

Links

Table of n, a(n) for n=1..5.

Formula

a(n) = 4*A301520(n+1)^A301520(n+1) + 3.

Crossrefs

Primes of form b*k^k + b - 1: A216148 (b=2), this sequence (b=4).

Cf. A301520, A301641.

Sequence in context: A329001 A334982 A339698 * A128817 A284897 A209553

Adjacent sequences: A301805 A301806 A301807 * A301809 A301810 A301811

Keyword

nonn

Author

Seiichi Manyama, Mar 27 2018

Status

approved