504739domain: NAppears in sequencesTriangle, read by rows, defined by: T(n,k) = (k+1)*T(n,k+1) - Sum_{j=1..n-k-1} T(j,0)*T(n,j+k+1) for n>k with T(n,n)=1 for n>=0.at n=58A117396Column 3 of triangle A117396.at n=7A117397