Number of ways to place zero or more nonadjacent 0,0 1,0 1,1 2,0 2,2 3,0 3,1 3,2 polyhexes in any orientation on a planar nXnXn triangular grid.
A155360
Number of ways to place zero or more nonadjacent 0,0 1,0 1,1 2,0 2,2 3,0 3,1 3,2 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =4a(2) =10a(3) =22a(4) =40a(5) =135a(6) =924a(7) =5789a(8) =30931a(9) =175032a(10) =1467331a(11) =18452914a(12) =249998893a(13) =3424732727a(14) =53967206180
External references
- oeis: A155360