Number of ways to place zero or more nonadjacent 1,0 1,1 2,1 3,1 4,2 5,2 5,3 polyhexes in any orientation on a planar nXnXn triangular grid.

A155334

Number of ways to place zero or more nonadjacent 1,0 1,1 2,1 3,1 4,2 5,2 5,3 polyhexes in any orientation on a planar nXnXn triangular grid.

Terms

    a(0) =1a(1) =7a(2) =19a(3) =37a(4) =115a(5) =485a(6) =2457a(7) =16347a(8) =114526a(9) =862126a(10) =8042696a(11) =92458257a(12) =1277007692a(13) =21027306771a(14) =403213961051

External references