Numbers k such that 25*4^k + 1 is prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =10a(5) =11a(6) =26a(7) =32a(8) =39a(9) =92a(10) =116a(11) =134a(12) =170a(13) =224a(14) =277a(15) =332a(16) =370a(17) =374a(18) =640a(19) =664a(20) =820a(21) =1657a(22) =1952a(23) =1969a(24) =2576