OFFSET
1,1
COMMENTS
Table starts
.......128.........992.........7688........64976.......549152........4780976
.......992.......13168.......180236......2735260.....41834260......664848772
......7688......180236......4470575....124987628...3536846184...104681141079
.....64976.....2735260....124987628...6533126804.347446206704.19440886672754
....549152....41834260...3536846184.347446206704
...4780976...664848772.104681141079
..41623688.10590791696
.366310352
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..40
EXAMPLE
Some solutions for 3X3
..2..0..0....3..0..3....2..3..0....1..0..1....2..3..1....3..1..2....1..1..2
..0..3..2....2..2..2....2..0..3....1..0..1....1..3..2....1..3..3....2..3..2
..2..0..1....3..1..2....3..1..2....0..1..1....3..2..2....2..2..1....2..1..2
...
...5..5.......7..7.......7..6.......2..2.......9..9.......8..9.......7..8...
...5..6.......8..7.......6..6.......2..3.......9..9.......8..9.......8..8...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 08 2011
STATUS
approved