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

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =9a(5) =25a(6) =34a(7) =36a(8) =42a(9) =52a(10) =176a(11) =262a(12) =269a(13) =283a(14) =284a(15) =289a(16) =372a(17) =392a(18) =486a(19) =596a(20) =999a(21) =1022a(22) =1097a(23) =1105a(24) =2329a(25) =2663a(26) =3037a(27) =3363a(28) =3853a(29) =5167