943206264domain: NAppears in sequencesTenth column (m=9) of convolution triangle A059594(n,m).at n=20A059598Number of nonnegative integer solutions to 2*n = x_1 + x_2 + ... + x_n + 2*y_1 + 2*y_2 + ... + 2*y_n.at n=9A351856