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

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =21a(5) =30a(6) =33a(7) =57a(8) =100a(9) =142a(10) =144a(11) =150a(12) =198a(13) =225a(14) =304a(15) =513a(16) =782a(17) =858a(18) =3638a(19) =6076a(20) =9297a(21) =11037a(22) =12135a(23) =12876a(24) =30180a(25) =48470