Numbers k such that |2^k-993| is prime.

Terms

a(0) =1a(1) =4a(2) =6a(3) =10a(4) =14a(5) =17a(6) =26a(7) =29a(8) =54a(9) =62a(10) =77a(11) =121a(12) =344a(13) =476a(14) =1012a(15) =1717a(16) =1954a(17) =2929a(18) =2993a(19) =3014a(20) =3304a(21) =4704a(22) =8882a(23) =24042a(24) =43572a(25) =45722a(26) =54913a(27) =57893a(28) =72566a(29) =74473