Number of 6-turn rook's tours on an n X n board summed over all starting positions.
A187193
Number of 6-turn rook's tours on an n X n board summed over all starting positions.
Terms
- a(0) =0a(1) =0a(2) =1440a(3) =40896a(4) =364800a(5) =1902240a(6) =7197120a(7) =21960960a(8) =57407616a(9) =133531200a(10) =283488480a(11) =559247040a(12) =1038660480
External references
- oeis: A187193