a(0) = 1; a(n) = n! * Sum_{k=0..n-1} (n-k+1) * a(k) / k!.
A346432
a(0) = 1; a(n) = n! * Sum_{k=0..n-1} (n-k+1) * a(k) / k!.
Terms
- a(0) =1a(1) =2a(2) =14a(3) =144a(4) =1968a(5) =33600a(6) =688320a(7) =16450560a(8) =449326080a(9) =13806858240a(10) =471395635200
External references
- oeis: A346432