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

Terms

a(0) =2a(1) =4a(2) =14a(3) =28a(4) =34a(5) =46a(6) =50a(7) =52a(8) =86a(9) =100a(10) =106a(11) =140a(12) =166a(13) =170a(14) =208a(15) =242a(16) =338a(17) =344a(18) =412a(19) =1360a(20) =2024a(21) =2948a(22) =3650a(23) =5608a(24) =5744a(25) =7618a(26) =8410a(27) =8834a(28) =11872a(29) =12514