Number of n X 2 array permutations with each element making a single king move.

A189179

Number of n X 2 array permutations with each element making a single king move.

Terms

    a(0) =1a(1) =9a(2) =33a(3) =185a(4) =913a(5) =4777a(6) =24577a(7) =127385a(8) =658801a(9) =3410313a(10) =17648609a(11) =91343481a(12) =472746833a(13) =2446730345a(14) =12663143361a(15) =65538688857a(16) =339198332209

External references