Numbers k such that 475*2^k+1 is prime.

Terms

a(0) =2a(1) =26a(2) =38a(3) =100a(4) =340a(5) =686a(6) =2062a(7) =2786a(8) =26698a(9) =40330a(10) =377668a(11) =447826a(12) =759412a(13) =1269578a(14) =2403220a(15) =2908802a(16) =3670046