Numbers n such that 2^n + n^2 is prime.

Terms

a(0) =1a(1) =3a(2) =9a(3) =15a(4) =21a(5) =33a(6) =2007a(7) =2127a(8) =3759a(9) =29355a(10) =34653a(11) =57285a(12) =99069a(13) =1933695