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A301808
Primes of form 4*k^k + 3.
5
7, 19, 12503, 40000000003, 8203095294242440214580822436689504141944719346082430189179667864757469187
OFFSET
1,1
COMMENTS
The next term is too large to include.
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).
Sequence in context: A329001 A334982 A339698 * A128817 A284897 A209553
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Mar 27 2018
STATUS
approved