354105domain: NAppears in sequencesNumber of n X 4 0..2 matrices with row sums 4 and column sums n up to permutations of rows.at n=13A377068Number of finite regions in a complete bipartite graph where the vertices in the two parts are placed on opposite sides of a parabola at integer y coordinates y = 1, 2, ...n.at n=34A392443