1375195

Appears in sequences

• Number of ways to place zero or more nonadjacent 0,0 1,0 1,1 2,0 3,1 3,2 4,2 polyhexes in any orientation on a planar nXnXn triangular grid.at n=9A155321
• Number of cycles with 2 alternating runs in all permutations of [n] (it is assumed that the smallest element of the cycle is in the first position).at n=10A187246