69586

Appears in sequences

• Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 2,1 3,0 4,0 4,1 5,0 polyhexes in any orientation on a planar nXnXn triangular grid.at n=8A155375
• a(n) = floor( Product_{k>=0} (1 + n/k!) ).at n=22A269700