%I #7 Mar 26 2018 19:57:34
%S 431,49999,7006302246093749999,
%T 7094823811888604319171994089906398284847
%N Primes of form 16*k^k - 1.
%F a(n) = 16*A301524(n)^A301524(n) - 1.
%Y Cf. A301524, A301642.
%K nonn
%O 1,1
%A _Seiichi Manyama_, Mar 25 2018
