Numbers k such that k^4 + 1 is prime.

Terms

a(0) =1a(1) =2a(2) =4a(3) =6a(4) =16a(5) =20a(6) =24a(7) =28a(8) =34a(9) =46a(10) =48a(11) =54a(12) =56a(13) =74a(14) =80a(15) =82a(16) =88a(17) =90a(18) =106a(19) =118a(20) =132a(21) =140a(22) =142a(23) =154a(24) =160a(25) =164a(26) =174a(27) =180a(28) =194a(29) =198