Number of geometrically distinct symmetric open knight's tours on a 4 X (2n-1) chessboard.
A328340
Number of geometrically distinct symmetric open knight's tours on a 4 X (2n-1) chessboard.
Terms
- a(0) =0a(1) =2a(2) =3a(3) =17a(4) =112a(5) =620a(6) =2821a(7) =13805a(8) =69036a(9) =327978a(10) =1540792a(11) =7274254a(12) =34083946a(13) =158284977a(14) =732296355a(15) =3377163866a(16) =15513066609a(17) =71017218563a(18) =324217343701
External references
- oeis: A328340