Numbers k such that 2^k mod k is odd.

Terms

a(0) =25a(1) =45a(2) =55a(3) =91a(4) =95a(5) =99a(6) =125a(7) =135a(8) =143a(9) =153a(10) =155a(11) =161a(12) =175a(13) =187a(14) =225a(15) =235a(16) =245a(17) =247a(18) =261a(19) =273a(20) =275a(21) =279a(22) =285a(23) =289a(24) =297a(25) =319a(26) =329a(27) =333a(28) =335a(29) =355