Number of 8-turn rook's tours on an n X n board summed over all starting positions.

A187195

Number of 8-turn rook's tours on an n X n board summed over all starting positions.

Terms

    a(0) =0a(1) =0a(2) =2664a(3) =551232a(4) =12319200a(5) =118332000a(6) =709921800a(7) =3141298944a(8) =11217854592a(9) =34149988800a(10) =91867386600a(11) =223898241600

External references