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%I #9 Mar 27 2018 07:46:33
%S 7,19,12503,40000000003,
%T 8203095294242440214580822436689504141944719346082430189179667864757469187
%N Primes of form 4*k^k + 3.
%C The next term is too large to include.
%F a(n) = 4*A301520(n+1)^A301520(n+1) + 3.
%Y Primes of form b*k^k + b - 1: A216148 (b=2), this sequence (b=4).
%Y Cf. A301520, A301641.
%K nonn
%O 1,1
%A _Seiichi Manyama_, Mar 27 2018
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