Numbers k such that k!6 - 24 is prime, where k!6 is the sextuple factorial number (A085158).

Terms

a(0) =9a(1) =11a(2) =13a(3) =17a(4) =23a(5) =25a(6) =29a(7) =31a(8) =37a(9) =43a(10) =53a(11) =65a(12) =71a(13) =77a(14) =79a(15) =115a(16) =119a(17) =151a(18) =173a(19) =559a(20) =793a(21) =1571a(22) =1715a(23) =1807a(24) =1861a(25) =2047a(26) =2215a(27) =3491a(28) =4751a(29) =6631