Number of ways to place zero or more nonadjacent 1,1 2,1 2,2 3,1 4,1 5,0 5,1 6,1 polyhexes in any orientation on a planar nXnXn triangular grid.

A155365

Number of ways to place zero or more nonadjacent 1,1 2,1 2,2 3,1 4,1 5,0 5,1 6,1 polyhexes in any orientation on a planar nXnXn triangular grid.

Terms

    a(0) =1a(1) =7a(2) =19a(3) =37a(4) =176a(5) =778a(6) =2821a(7) =12886a(8) =88605a(9) =593766a(10) =4348497a(11) =42965155a(12) =470395612

External references