Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,2 3,3 4,2 5,2 6,3 polyhexes in any orientation on a planar nXnXn triangular grid.

A155425

Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,2 3,3 4,2 5,2 6,3 polyhexes in any orientation on a planar nXnXn triangular grid.

Terms

    a(0) =1a(1) =7a(2) =19a(3) =37a(4) =94a(5) =289a(6) =1342a(7) =7169a(8) =33736a(9) =187935a(10) =1191407a(11) =9471948a(12) =87427106a(13) =862847938

External references