141830domain: NAppears in sequencesQuadrinomial coefficients.at n=24A005719Numerator of Euler(n, 5/31).at n=4A157624Number of (5+1) X (n+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.at n=35A258558