a(n) = denominator of (1/e) * Sum_{a_1>=1, a_2>=1, ... , a_n>=1} a_1 * a_2 * ... * a_n / (a_1 + a_2 + ... + a_n)!.
A343831
a(n) = denominator of (1/e) * Sum_{a_1>=1, a_2>=1, ... , a_n>=1} a_1 * a_2 * ... * a_n / (a_1 + a_2 + ... + a_n)!.
Terms
- a(0) =1a(1) =3a(2) =120a(3) =2520a(4) =51840a(5) =2494800a(6) =6227020800a(7) =653837184000
External references
- oeis: A343831