Numbers k such that k^2 + {1,3,7,13} are prime.

Terms

a(0) =2a(1) =4a(2) =10a(3) =5996a(4) =8894a(5) =11204a(6) =14290a(7) =23110a(8) =30866a(9) =37594a(10) =43054a(11) =64390a(12) =74554a(13) =83464a(14) =93460a(15) =109456a(16) =111940a(17) =132304a(18) =151904a(19) =184706a(20) =238850a(21) =262630a(22) =265990a(23) =277630a(24) =300206a(25) =315410a(26) =352600a(27) =355450a(28) =376190a(29) =404954