Number of binary arrangements without adjacent 1's on n X n staggered hexagonal grid.

A066863

Number of binary arrangements without adjacent 1's on n X n staggered hexagonal grid.

Terms

    a(0) =2a(1) =6a(2) =43a(3) =557a(4) =14432a(5) =719469a(6) =70372090a(7) =13351521479

External references