Numbers n such that n!3 + 3^5 is prime, where n!3 = n!!! is a triple factorial number (A007661).

Terms

a(0) =7a(1) =10a(2) =11a(3) =22a(4) =23a(5) =25a(6) =44a(7) =46a(8) =47a(9) =50a(10) =53a(11) =55a(12) =89a(13) =122a(14) =214a(15) =410a(16) =427a(17) =526a(18) =539a(19) =575a(20) =1369a(21) =1370a(22) =2291a(23) =4999a(24) =5374a(25) =7202a(26) =7375a(27) =7823a(28) =8921a(29) =9764