OFFSET
1,1
COMMENTS
Table starts
........256.........3692..........53462..........773776.......11199932
.......3692.......177828........8615618.......417088596....20193981078
......53462......8615618.....1399352132....227037055176.36842307067194
.....773776....417088596...227037055176.123423436053052
...11199932..20193981078.36842307067194
..162110182.977699814950
.2346415828
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..31
EXAMPLE
Some solutions for 4X3
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..2....2..0..0....3..0..2....2..1..2....3..0..3....0..0..3....0..2..2
..3..1..0....1..2..0....0..0..2....0..2..2....3..3..2....0..3..3....0..3..0
..3..2..1....2..3..0....1..1..1....3..0..2....1..2..1....1..1..3....2..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 14 2011
STATUS
approved