a(n) = -Sum_{k=0..n} (-1)^k * A039599(n,k)^3.
A382404
a(n) = -Sum_{k=0..n} (-1)^k * A039599(n,k)^3.
Terms
- a(0) =-1a(1) =0a(2) =18a(3) =480a(4) =11550a(5) =275184a(6) =6597360a(7) =159629184a(8) =3897563670a(9) =95946708000
External references
- oeis: A382404