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

A155311

Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 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) =196a(5) =1148a(6) =8896a(7) =73146a(8) =666416a(9) =7662949a(10) =116153231a(11) =2222900225a(12) =50872655372

External references