OFFSET
1,1
COMMENTS
Table starts
........262144.........9576448........349839616......12780078472
.......9576448.......876951552......80485522400....7188107084815
.....349839616.....80485522400...18496850510312.3990816642970118
...12780078472...7188107084815.3990816642970118
..351107784608.422905697694540
.9646003088512
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..24
EXAMPLE
Some solutions for 5X4
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..2..0....2..0..0..3....0..0..0..0....0..0..2..2....0..0..0..0
..0..0..3..2....0..0..1..0....0..0..3..0....2..2..3..0....0..3..1..2
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..3..3..0..2....3..0..1..3....2..1..1..3....0..3..2..3....1..1..2..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 24 2011
STATUS
approved