OFFSET
1,2
COMMENTS
Table starts
........0.........175..........609...........3593..........15055..........76263
......175........1969........18873.........197619........2008031.......20738153
......609.......18873.......308593........6275745......116461359.....2259545215
.....3593......197619......6275745......255375977.....9406230423...363322785761
....15055.....2008031....116461359.....9406230423...660028898887.49524283508081
....76263....20738153...2259545215...363322785761.49524283508081
...353985...213108423..43035959317.13767728347159
..1729733..2194753479.826432933951
..8225815.22587046821
.39664199
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..60
EXAMPLE
Some solutions for 4X3
..1..0..0....0..0..1....2..2..2....2..0..2....2..2..2....1..2..0....1..2..1
..1..0..1....2..0..2....2..1..0....0..0..1....1..1..1....0..0..0....0..0..0
..2..0..1....1..0..0....0..0..0....0..0..2....1..1..1....2..2..2....0..1..2
..0..0..1....0..0..0....2..0..1....1..0..0....2..1..0....0..0..0....0..1..2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 15 2011
STATUS
approved