Number of 7-turn rook's tours on an n X n board summed over all starting positions.
A187194
Number of 7-turn rook's tours on an n X n board summed over all starting positions.
Terms
- a(0) =0a(1) =0a(2) =2304a(3) =156672a(4) =2169600a(5) =15220800a(6) =72182880a(7) =264520704a(8) =806827392a(9) =2144534400a(10) =5120913600a(11) =11222069760
External references
- oeis: A187194