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

Terms

a(0) =0a(1) =1a(2) =2a(3) =4a(4) =6a(5) =8a(6) =10a(7) =12a(8) =16a(9) =18a(10) =20a(11) =22a(12) =28a(13) =40a(14) =42a(15) =44a(16) =52a(17) =66a(18) =68a(19) =78a(20) =80a(21) =92a(22) =100a(23) =102a(24) =106a(25) =210a(26) =214a(27) =232a(28) =534a(29) =676