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

A155290

Number of ways to place zero or more nonadjacent 1,0 1,1 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) =64a(4) =265a(5) =1577a(6) =11987a(7) =107928a(8) =1180991a(9) =15701569a(10) =264954393a(11) =5697447937a(12) =151647215266

External references