Number of ways to place zero or more nonadjacent 2,0 3,1 3,2 4,2 4,3 4,4 5,2 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.
A155447
Number of ways to place zero or more nonadjacent 2,0 3,1 3,2 4,2 4,3 4,4 5,2 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =37a(4) =61a(5) =248a(6) =1219a(7) =8302a(8) =40919a(9) =212586a(10) =1454728a(11) =13983083a(12) =157730943a(13) =1851906541a(14) =23225168793a(15) =351573878630
External references
- oeis: A155447