Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,2 4,3 4,4 polyhexes in any orientation on a planar nXnXn triangular grid.
A155337
Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,2 4,3 4,4 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =4a(2) =10a(3) =22a(4) =40a(5) =161a(6) =562a(7) =3058a(8) =15699a(9) =98124a(10) =620233a(11) =5239100a(12) =48386446a(13) =558536676a(14) =7037622489a(15) =106784846181
External references
- oeis: A155337