Numbers m such that (4^m + 23) / 3 is prime.

Terms

a(0) =2a(1) =3a(2) =5a(3) =6a(4) =27a(5) =47a(6) =66a(7) =77a(8) =83a(9) =105a(10) =197a(11) =231a(12) =293a(13) =702a(14) =1692a(15) =3021a(16) =6270a(17) =6897a(18) =7733a(19) =14537a(20) =15797a(21) =21083a(22) =21276a(23) =28817a(24) =65430a(25) =111231a(26) =137405a(27) =141017a(28) =185225