Number of 5-step king-knight's tours (piece capable of both kinds of moves) on an n X n board summed over all starting positions.

A187853

Number of 5-step king-knight's tours (piece capable of both kinds of moves) on an n X n board summed over all starting positions.

Terms

    a(0) =0a(1) =0a(2) =5328a(3) =49776a(4) =177040a(5) =408048a(6) =744696a(7) =1183632a(8) =1723120a(9) =2362864a(10) =3102864a(11) =3943120a(12) =4883632a(13) =5924400a(14) =7065424a(15) =8306704a(16) =9648240a(17) =11090032a(18) =12632080a(19) =14274384a(20) =16016944a(21) =17859760a(22) =19802832a(23) =21846160a(24) =23989744a(25) =26233584a(26) =28577680

External references