Numbers k such that 415*2^k+1 is prime.

Terms

a(0) =6a(1) =10a(2) =26a(3) =30a(4) =40a(5) =50a(6) =68a(7) =94a(8) =106a(9) =114a(10) =140a(11) =328a(12) =386a(13) =438a(14) =1540a(15) =1976a(16) =2024a(17) =3944a(18) =3988a(19) =5378a(20) =6068a(21) =6394a(22) =7198a(23) =9040a(24) =10666a(25) =35860a(26) =39884a(27) =119234a(28) =131246a(29) =240190