Number of closed knight's tours in the first 2n cells of a 6 X ceiling(2n/6) board.
A383662
Number of closed knight's tours in the first 2n cells of a 6 X ceiling(2n/6) board.
Terms
- a(0) =6a(1) =0a(2) =2a(3) =302a(4) =8a(5) =151a(6) =19072a(7) =9862a(8) =18202a(9) =1603948a(10) =1067638a(11) =1310791a(12) =107096187a(13) =55488142a(14) =66608924a(15) =6149236417a(16) =3374967940a(17) =4259963914a(18) =402706752421a(19) =239187240144a(20) =292999006211
External references
- oeis: A383662