Numbers k such that 203*2^k + 1 is prime.

Terms

a(0) =13a(1) =25a(2) =29a(3) =33a(4) =45a(5) =57a(6) =65a(7) =153a(8) =197a(9) =245a(10) =637a(11) =1785a(12) =1917a(13) =2045a(14) =4925a(15) =5313a(16) =7449a(17) =8437a(18) =23645a(19) =28273a(20) =34217a(21) =40189a(22) =135125a(23) =141477a(24) =169077a(25) =215945a(26) =234229a(27) =265089a(28) =482177a(29) =556069