Number of partitions of 2n X 2n checkerboard into two congruent edgewise-connected sets, counting partitions equal under rotation or reflection only once.
A113900
Number of partitions of 2n X 2n checkerboard into two congruent edgewise-connected sets, counting partitions equal under rotation or reflection only once.
Terms
- a(0) =1a(1) =6a(2) =255a(3) =92263a(4) =281035054
External references
- oeis: A113900