Numbers k such that k!6 + 27 is prime, where k!6 is the sextuple factorial number (A085158 ).

Terms

a(0) =2a(1) =4a(2) =8a(3) =10a(4) =14a(5) =20a(6) =22a(7) =26a(8) =32a(9) =40a(10) =110a(11) =116a(12) =142a(13) =148a(14) =200a(15) =370a(16) =854a(17) =1166a(18) =1594a(19) =2164a(20) =4424a(21) =5942a(22) =9086a(23) =13300a(24) =15224a(25) =20482a(26) =22940a(27) =27478a(28) =47486