Number of 5-step left-handed knight's tours (moves only out two, left one) on an n X n board summed over all starting positions.

A187175

Number of 5-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) =16a(5) =136a(6) =456a(7) =1024a(8) =1804a(9) =2784a(10) =3964a(11) =5344a(12) =6924a(13) =8704a(14) =10684a(15) =12864a(16) =15244a(17) =17824a(18) =20604a(19) =23584a(20) =26764a(21) =30144a(22) =33724a(23) =37504a(24) =41484a(25) =45664a(26) =50044a(27) =54624a(28) =59404a(29) =64384

External references