OFFSET
1,1
COMMENTS
Table starts
.........81..........558...........3844...........26784..........186624
........558.........7074..........89118.........1151346........14837270
.......3844........89118........2046098........48744342......1154712762
......26784......1151346.......48744342......2171002788.....95851024672
.....186624.....14837270.....1154712762.....95851024672...7861640359954
....1296000....190416934....27239862108...4212755548948.641850855452998
....9000000...2442333998...641595944400.184696487434352
...62568000..31384892214.15156754839024
..434972736.403218559222
.3022785216
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..59
EXAMPLE
Some solutions for 4X3
..1..2..0....0..2..1....1..1..1....0..2..1....0..0..1....1..2..0....2..2..0
..2..0..1....0..1..1....0..2..1....0..2..2....1..1..2....0..0..0....0..0..1
..1..0..1....0..0..2....0..0..0....0..0..0....0..2..1....1..0..0....2..1..0
..2..2..0....0..0..1....2..1..0....2..2..0....0..1..0....1..1..1....1..2..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 03 2011
STATUS
approved