a(n) = n! divided by its characteristic cube divisor A056194.

A056195

a(n) = n! divided by its characteristic cube divisor A056194.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =3a(4) =15a(5) =720a(6) =5040a(7) =5040a(8) =45360a(9) =3628800a(10) =39916800a(11) =17740800a(12) =230630400a(13) =403603200a(14) =1307674368a(15) =20922789888a(16) =355687428096

External references