Number of partitions of n X n checkerboard by two edgewise-connected sets which produce the maximum n^2-2n+2 frontier edges between the two sets.

A068381

Number of partitions of n X n checkerboard by two edgewise-connected sets which produce the maximum n^2-2n+2 frontier edges between the two sets.

Terms

    a(0) =12a(1) =32a(2) =96a(3) =648a(4) =7736a(5) =228424a(6) =11974112a(7) =1599762776a(8) =382467306272

External references