Numbers k such that k![4] + 2 is prime, where k![4] = A007662(k) = quadruple factorial.

Terms

a(0) =0a(1) =1a(2) =3a(3) =5a(4) =7a(5) =9a(6) =11a(7) =13a(8) =15a(9) =19a(10) =27a(11) =29a(12) =31a(13) =43a(14) =53a(15) =75a(16) =143a(17) =169a(18) =185a(19) =235a(20) =259a(21) =363a(22) =365a(23) =457a(24) =493a(25) =573a(26) =777a(27) =1273a(28) =1275a(29) =1865