Number of permutations with at most 2 queens on any torus diagonal, solutions congruent on the torus count only once.
A062167
Number of permutations with at most 2 queens on any torus diagonal, solutions congruent on the torus count only once.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =1a(4) =2a(5) =3a(6) =5a(7) =29a(8) =93a(9) =569a(10) =3226a(11) =28630a(12) =221250a(13) =2314650
External references
- oeis: A062167