Number of 8-step left-handed knight's tours (moves only out two, left one) on an n X n board summed over all starting positions.

A187178

Number of 8-step left-handed knight's tours (moves only out two, left one) on an n X n board summed over all starting positions.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =280a(7) =1784a(8) =5944a(9) =14072a(10) =27104a(11) =45288a(12) =68400a(13) =96048a(14) =128064a(15) =164424a(16) =205128a(17) =250176a(18) =299568a(19) =353304a(20) =411384a(21) =473808a(22) =540576a(23) =611688a(24) =687144a(25) =766944a(26) =851088a(27) =939576a(28) =1032408a(29) =1129584

External references