OFFSET
1,1
COMMENTS
Table starts
.......126.........606..........2904...........14229.............70767
.......606........3988.........25808..........173121...........1190637
......2904.......25808........222632.........2009622..........18829218
.....14229......173121.......2009622........24581099.........315843055
.....70767.....1190637......18829218.......315843055........5634207241
....351549.....8178097.....175882357......4037185979.......99751773733
...1750896....56422648....1653336285.....52016332522.....1783799078413
...8730234...390661554...15639380661....676967599202....32322581577916
..43522407..2704080467..147826932337...8797063846281...584495537657334
.217032372.18732156320.1399067559974.114525000303377.10594536209194545
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..111
EXAMPLE
Some solutions for 5X4 with a(1,1)=0
..0..1..1..1....0..1..0..0....0..1..0..1....0..1..0..1....0..0..0..1
..0..0..1..0....1..0..1..1....0..0..1..0....1..0..0..0....0..0..1..1
..0..0..1..0....1..0..0..1....1..1..0..1....0..1..1..0....1..1..1..0
..1..1..1..0....0..1..1..0....0..1..1..0....1..1..0..1....0..0..0..1
..0..1..0..0....0..0..1..0....0..0..1..0....1..0..0..1....1..1..0..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 27 2011
STATUS
approved