885804domain: NAppears in sequencesNumber of partitions of 5n such that cn(1,5) = cn(4,5) <= cn(0,5) < cn(2,5) = cn(3,5).at n=19A036885Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,2 4,3 5,4 6,4 polyhexes in any orientation on a planar nXnXn triangular grid.at n=9A155351