a(n) = ((9*n+10)(!^9))/10, related to A045756 ((9*n+1)(!^9) 9-factorials).
A053116
a(n) = ((9*n+10)(!^9))/10, related to A045756 ((9*n+1)(!^9) 9-factorials).
Terms
- a(0) =1a(1) =19a(2) =532a(3) =19684a(4) =905464a(5) =49800520a(6) =3187233280a(7) =232668029440
External references
- oeis: A053116