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

A066864

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

Terms

    a(0) =1a(1) =2a(2) =6a(3) =42a(4) =524a(5) =13322a(6) =647252a(7) =61758332a(8) =11435477118

External references