This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A186968 #8 Jul 22 2025 10:38:15 %S A186968 0,0,5120,77384,473632,1875432,5706000,14543984 %N A186968 Number of 5-turn queen's tours on an n X n board summed over all starting positions. %C A186968 Row 5 of A186965 %e A186968 Some solutions for 3X3 %e A186968 ..0..4..0....1..2..3....2..0..0....0..0..1....3..0..4....0..2..0....5..2..0 %e A186968 ..0..5..0....0..0..0....0..1..0....5..2..0....0..5..0....4..1..3....0..1..3 %e A186968 ..2..3..1....0..5..4....4..5..3....4..0..3....2..1..0....5..0..0....0..0..4 %K A186968 nonn %O A186968 1,3 %A A186968 _R. H. Hardin_ Mar 01 2011