Number of ways to place zero or more nonadjacent 2,1 3,0 3,1 4,2 4,3 4,4 5,2 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.
A155443
Number of ways to place zero or more nonadjacent 2,1 3,0 3,1 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) =156a(6) =946a(7) =6587a(8) =32063a(9) =128930a(10) =679319a(11) =5663620a(12) =64380331a(13) =713842124a(14) =7200710477a(15) =81450733059
External references
- oeis: A155443