Numbers k such that 161*2^k+1 is prime.

Terms

a(0) =3a(1) =5a(2) =11a(3) =13a(4) =51a(5) =53a(6) =63a(7) =71a(8) =103a(9) =179a(10) =205a(11) =267a(12) =351a(13) =589a(14) =719a(15) =1453a(16) =3703a(17) =7935a(18) =10851a(19) =15151a(20) =16013a(21) =20319a(22) =65475a(23) =66083a(24) =105269a(25) =181059a(26) =186347a(27) =319875a(28) =1057743a(29) =1668927