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A186965
T(n,k)=Number of n-turn queen's tours on a kXk board summed over all starting positions
4
1, 4, 0, 9, 12, 0, 16, 56, 24, 0, 25, 152, 296, 24, 0, 36, 320, 1304, 1344, 0, 0, 49, 580, 3808, 10440, 5120, 0, 0, 64, 952, 8832, 43424, 77384, 15760, 0, 0, 81, 1456, 17672, 130592, 473632, 527528, 36816, 0, 0, 100, 2112, 31888, 320880, 1875432, 4927216
OFFSET
1,2
COMMENTS
Table starts
.1..4.....9.......16.......25.......36......49.......64......81...100..121.144
.0.12....56......152......320......580.....952.....1456....2112..2940.3960
.0.24...296.....1304.....3808.....8832...17672....31888...53312.84040
.0.24..1344....10440....43424...130592..320880...686384.1326848
.0..0..5120....77384...473632..1875432.5706000.14543984
.0..0.15760...527528..4927216.26115816
.0..0.36816..3280384.48781648
.0..0.57904.18430848
.0..0.45856
.0..0
LINKS
EXAMPLE
Some n=3 solutions for 3X3
..0..3..1....0..1..0....3..0..0....2..1..0....0..0..0....0..0..0....1..0..0
..0..0..2....0..2..0....2..0..0....0..0..0....1..2..0....0..1..3....2..3..0
..0..0..0....0..3..0....1..0..0....3..0..0....0..0..3....0..2..0....0..0..0
CROSSREFS
Row 2 is A035005
Sequence in context: A186861 A187027 A187850 * A330386 A098487 A174381
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 01 2011
STATUS
approved