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Number of 5-turn queen's tours on an n X n board summed over all starting positions
0

%I #6 Apr 04 2016 16:14:04

%S 0,0,5120,77384,473632,1875432,5706000,14543984

%N Number of 5-turn queen's tours on an n X n board summed over all starting positions

%C Row 5 of A186965

%e Some solutions for 3X3

%e ..0..4..0....1..2..3....2..0..0....0..0..1....3..0..4....0..2..0....5..2..0

%e ..0..5..0....0..0..0....0..1..0....5..2..0....0..5..0....4..1..3....0..1..3

%e ..2..3..1....0..5..4....4..5..3....4..0..3....2..1..0....5..0..0....0..0..4

%K nonn

%O 1,3

%A _R. H. Hardin_ Mar 01 2011