171820domain: NAppears in sequencesNinth column (m=8) of convolution triangle A059594(n,m).at n=9A059597Number of nonnegative integer solutions to n = Sum_{i=1..n} (a_i + b_i), with b_i even.at n=9A348410Square array read by ascending antidiagonals: T(n,k) = 1/n * [x^k] 1/((1 - x)*(1 - x^2))^(n*k) for n, k >= 1.at n=44A363419