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

A155412

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

Terms

    a(0) =1a(1) =7a(2) =19a(3) =37a(4) =67a(5) =231a(6) =1339a(7) =8869a(8) =45413a(9) =237925a(10) =1625066a(11) =15388021a(12) =179623547a(13) =2180692829a(14) =28227148274a(15) =428766984919

External references