Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,1 4,2 polyhexes in any orientation on a planar nXnXn triangular grid.
A155295
Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,1 4,2 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =25a(3) =76a(4) =301a(5) =1771a(6) =13115a(7) =121281a(8) =1334281a(9) =18017445a(10) =303093919a(11) =6474405256
External references
- oeis: A155295