OFFSET
1,1
COMMENTS
Table starts
........256.........3392.........44944.........598688.......7974976
.......3392.......125664.......4649320......173985944....6508370600
......44944......4649320.....480362772....50465542904.5296925520216
.....598688....173985944...50465542904.14968484411348
....7974976...6508370600.5296925520216
..106125920.243047375432
.1412256400
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..31
EXAMPLE
Some solutions for 4X3
..0..0..2....0..0..0....2..0..0....0..0..0....0..2..0....2..2..2....2..0..0
..0..1..3....0..0..3....1..2..2....0..0..3....0..3..3....0..0..3....1..1..2
..2..0..0....0..2..1....0..0..2....2..0..3....0..0..1....2..0..1....2..2..2
..1..2..0....3..1..0....0..1..2....0..2..2....2..0..2....3..2..0....3..0..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 31 2011
STATUS
approved