Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 2,2 3,0 3,2 polyhexes in any orientation on a planar nXnXn triangular grid.

A155313

Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 2,2 3,0 3,2 polyhexes in any orientation on a planar nXnXn triangular grid.

Terms

    a(0) =1a(1) =7a(2) =25a(3) =55a(4) =97a(5) =1087a(6) =13473a(7) =96815a(8) =552449a(9) =7876407a(10) =210244561a(11) =4886389831a(12) =91609323633

External references