Number of ways of arranging 2n+1 nonattacking queens on a 2n+1 X 2n+1 toroidal board.
A007705
Number of ways of arranging 2n+1 nonattacking queens on a 2n+1 X 2n+1 toroidal board.
Terms
- a(0) =1a(1) =0a(2) =10a(3) =28a(4) =0a(5) =88a(6) =4524a(7) =0a(8) =140692a(9) =820496a(10) =0a(11) =128850048a(12) =1957725000a(13) =0a(14) =605917055356a(16) =0
External references
- oeis: A007705