Numbers k such that k!6 - 9 is prime, where k!6 is the sextuple factorial number (A085158).

Terms

a(0) =8a(1) =10a(2) =16a(3) =22a(4) =26a(5) =46a(6) =52a(7) =56a(8) =70a(9) =74a(10) =286a(11) =302a(12) =308a(13) =484a(14) =698a(15) =1100a(16) =1226a(17) =1528a(18) =2486a(19) =3796a(20) =4256a(21) =8524a(22) =10688a(23) =19424a(24) =22226a(25) =49346a(26) =53746a(27) =64178a(28) =84304