258324

Appears in sequences

• Number of ways to place zero or more nonadjacent 1,0 2,0 3,1 3,2 3,3 4,1 5,2 polyhexes in any orientation on a planar nXnXn triangular grid.at n=9A155340
• Expansion of 1/((1 - x^4 - x^5)^2 - 4*x^9).at n=47A376725