OFFSET
1,2
COMMENTS
Table starts
..........0............704.............2176..............30976
........704..........13440...........260544............5177344
.......2176.........260544.........11019840..........593036512
......30976........5177344........593036512........77815012608
.....166272......104024384......29410603520......9977246681216
....1567936.....2091689856....1501824774848...1288126250997184
...10419200....42093682560...75902079167968.166089641496321408
...85438016...847003638592.3849846787713472
..615338112.17044363936064
.4793908736
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..60
EXAMPLE
Some solutions for 4X3
..2..0..0....2..2..2....0..0..3....2..2..2....2..0..0....2..3..0....0..2..2
..1..1..2....3..3..3....3..0..0....3..1..0....0..0..0....2..2..2....3..3..1
..3..2..1....1..2..2....1..0..2....1..0..1....2..2..0....3..2..3....0..2..2
..2..1..2....1..3..2....0..2..2....1..0..1....0..3..3....1..0..1....2..3..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 04 2011
STATUS
approved