Number of permutations with at most 2 queens on any torus diagonal, solutions similar on the torus count only once.
A062168
Number of permutations with at most 2 queens on any torus diagonal, solutions similar on the torus count only once.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =1a(4) =2a(5) =3a(6) =3a(7) =19a(8) =31a(9) =328a(10) =650a(11) =14542a(12) =37449a(13) =771570
External references
- oeis: A062168