Integers n such that 2n^2+1, 2n^3+1 and 2n^4+1 are prime.

Terms

a(0) =1a(1) =6a(2) =21a(3) =30a(4) =96a(5) =297a(6) =375a(7) =621a(8) =1359a(9) =1704a(10) =1749a(11) =1761a(12) =3696a(13) =3849a(14) =4467a(15) =8025a(16) =8646a(17) =9834a(18) =11352a(19) =15630a(20) =17397a(21) =17949a(22) =19575a(23) =20274a(24) =27087a(25) =28452a(26) =30504a(27) =32154a(28) =32307a(29) =33666