Numbers k such that k!6 + 3 is prime, where k!6 is the sextuple factorial number (A085158 ).
A287844
Numbers k such that k!6 + 3 is prime, where k!6 is the sextuple factorial number (A085158 ).
Terms
- a(0) =2a(1) =4a(2) =8a(3) =10a(4) =14a(5) =16a(6) =20a(7) =22a(8) =26a(9) =34a(10) =70a(11) =164a(12) =346a(13) =398a(14) =902a(15) =938a(16) =1426a(17) =1682a(18) =1928a(19) =3596a(20) =3796a(21) =15058a(22) =25654a(23) =37330
External references
- oeis: A287844