Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 2,1 3,0 4,0 4,1 5,0 polyhexes in any orientation on a planar nXnXn triangular grid.
A155375
Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 2,1 3,0 4,0 4,1 5,0 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =4a(2) =13a(3) =37a(4) =146a(5) =614a(6) =2467a(7) =11092a(8) =69586a(9) =500162a(10) =4040869a(11) =39876354a(12) =445952771
External references
- oeis: A155375