Number of ways to place zero or more nonadjacent 0,0 1,0 1,1 2,0 3,1 4,1 polyhexes in any orientation on a planar nXnXn triangular grid.
A155263
Number of ways to place zero or more nonadjacent 0,0 1,0 1,1 2,0 3,1 4,1 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =13a(2) =37a(3) =100a(4) =864a(5) =5014a(6) =38110a(7) =471622a(8) =5596502a(9) =85749877a(10) =1841914431a(11) =44860386415
External references
- oeis: A155263