OFFSET
1,2
COMMENTS
Table starts
........0..........171..............405...............3249...............12609
......171.........1773............20097.............222003.............2506851
......405........20097...........424197...........10670517...........254648349
.....3249.......222003.........10670517..........560733777.........29306445165
....12609......2506851........254648349........29306445165.......3293066139075
....72225.....28276065.......6182861913......1532963751183.....373447226493477
...332937....319126401.....149296412943.....80217651167325...42234121752791535
..1731321...3601102725....3610924080057...4197053176231149.4780252449901079883
..8410473..40637462859...87290961055317.219601118427318765
.42400017.458593005339.2110537794502179
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..84
EXAMPLE
Some solutions for 4X3
..1..1..2....0..0..2....1..0..0....0..0..1....2..0..1....2..2..2....0..2..0
..1..2..2....1..2..2....0..0..2....1..1..2....0..0..2....2..2..2....1..2..2
..1..1..1....0..1..0....1..1..2....0..0..1....0..0..2....0..1..1....0..1..2
..1..1..1....1..2..1....1..0..0....2..2..2....0..0..2....0..1..0....2..2..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 05 2011
STATUS
approved