Least odd k such that k*2^(2^n)+1 is prime.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =43a(6) =25a(7) =21a(8) =207a(9) =223a(10) =1125a(11) =2577a(12) =3091a(13) =9165a(14) =6223a(15) =3493a(16) =1063