Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 3,1 4,1 5,2 5,3 polyhexes in any orientation on a planar nXnXn triangular grid.
A155346
Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 3,1 4,1 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) =94a(5) =330a(6) =1713a(7) =11184a(8) =64025a(9) =403539a(10) =3128291a(11) =30538252a(12) =364356710a(13) =4898497176a(14) =73557982663
External references
- oeis: A155346