81288domain: NAppears in sequencesDiagonal sums of A103209, viewed as number triangle.at n=10A107704Number of nX4 0..1 arrays with every element equal to 0, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=11A302208Expansion of Product_{k>=1} (1 - x^k * (1 + k*x)).at n=44A336978