5580120domain: NAppears in sequencesTriangle read by rows: T(n,k) = (n+1,k)-th element of (M^9-M)/8, where M is the infinite lower Pascal's triangle matrix, 1<=k<=n.at n=39A096043Expansion of e.g.f. x*exp(x)*(sinh(x))^2.at n=14A360036