T(n,k) is the number of n-step king-knight's tours (piece capable of both kinds of moves) on a k X k board summed over all starting positions.
A187850
T(n,k) is the number of n-step king-knight's tours (piece capable of both kinds of moves) 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) =56a(8) =24a(9) =0a(10) =25a(11) =132a(12) =304a(13) =24a(14) =0a(15) =36a(16) =240a(17) =1056a(18) =1400a(19) =0a(20) =0a(21) =49a(22) =380a(23) =2312a(24) =7620a(25) =5328a(26) =0a(27) =0a(28) =64a(29) =552
External references
- oeis: A187850