Numbers k such that (k!-5)/5 is prime.

Terms

a(0) =5a(1) =11a(2) =12a(3) =16a(4) =36a(5) =41a(6) =42a(7) =47a(8) =127a(9) =136a(10) =356a(11) =829a(12) =1863a(13) =2065a(14) =2702a(15) =4509a(16) =7498