334964domain: NAppears in sequencesG.f. satisfies A(x) = ( 1 + x*A(x)^(3/2) * (1 + x) )^2.at n=8A371576Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,0) = 0^n and T(n,k) = k * Sum_{r=0..n} binomial(3r+k,r) * binomial(r,n-r)/(3*r+k) for k > 0.at n=63A378323