Numbers k such that 4*k! + 1 is prime.

Terms

a(0) =0a(1) =1a(2) =4a(3) =7a(4) =8a(5) =9a(6) =13a(7) =16a(8) =28a(9) =54a(10) =86a(11) =129a(12) =190a(13) =351a(14) =466a(15) =697a(16) =938a(17) =1510a(18) =2748a(19) =2878a(20) =3396a(21) =4057a(22) =4384a(23) =5534a(24) =7069a(25) =10364