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

A155292

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

Terms

    a(0) =1a(1) =7a(2) =25a(3) =55a(4) =229a(5) =1363a(6) =11186a(7) =97334a(8) =991531a(9) =12805571a(10) =217664977a(11) =4668424395a(12) =121771975984

External references