Numbers k such that 313*2^k+1 is prime.

Terms

a(0) =4a(1) =10a(2) =16a(3) =24a(4) =70a(5) =184a(6) =250a(7) =432a(8) =460a(9) =792a(10) =8482a(11) =9868a(12) =10954a(13) =14098a(14) =16260a(15) =17770a(16) =19354a(17) =81504a(18) =85672a(19) =158662a(20) =166354a(21) =188914a(22) =327924a(23) =337942a(24) =424318a(25) =519748a(26) =621432a(27) =888288a(28) =1949544a(29) =3716716