Number of ways to place zero or more nonadjacent 2,0 2,1 3,0 3,1 3,2 3,3 4,1 5,1 polyhexes in any orientation on a planar nXnXn triangular grid.
A155431
Number of ways to place zero or more nonadjacent 2,0 2,1 3,0 3,1 3,2 3,3 4,1 5,1 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =37a(4) =94a(5) =344a(6) =2238a(7) =14169a(8) =77290a(9) =503317a(10) =4355803a(11) =49651747a(12) =642476027a(13) =8840925123a(14) =141069431209
External references
- oeis: A155431