Array read by antidiagonals: T(n,k) is the number of n-step king's tours on a k X k board summed over all starting positions.

A186861

Array read by antidiagonals: T(n,k) is the number of n-step king's tours on a k X k board summed over all starting positions.

Terms

    a(0) =1a(1) =4a(2) =0a(3) =9a(4) =12a(5) =0a(6) =16a(7) =40a(8) =24a(9) =0a(10) =25a(11) =84a(12) =160a(13) =24a(14) =0a(15) =36a(16) =144a(17) =408a(18) =496a(19) =0a(20) =0a(21) =49a(22) =220a(23) =768a(24) =1764a(25) =1208a(26) =0a(27) =0a(28) =64a(29) =312

External references