Numbers of n-step paths of a king moving on an n X n chessboard, starting at a corner and not visiting any cell twice.

A272469

Numbers of n-step paths of a king moving on an n X n chessboard, starting at a corner and not visiting any cell twice.

Terms

    a(0) =0a(1) =6a(2) =50a(3) =322a(4) =1874a(5) =10558a(6) =58716a(7) =325758a(8) =1808778a(9) =10068548a(10) =56213606a(11) =314785072a(12) =1767660604a(13) =9951449844a(14) =56151698716a(15) =317484868212

External references