Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,1 5,1 polyhexes in any orientation on a planar nXnXn triangular grid.
A155296
Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 4,1 5,1 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =70a(4) =328a(5) =1523a(6) =7988a(7) =53382a(8) =440756a(9) =4250070a(10) =49171805a(11) =677879590a(12) =10958762075
External references
- oeis: A155296