OFFSET
1,5
COMMENTS
Table starts
.....0........1...........0..............12..................0
.....1........6..........40.............280...............2016
.....0.......40...........0............7392..................0
....12......280........7392..........205920............5912192
.....0.....2016...........0.........5912192..................0
...160....14784.....1555840.......173065984........19855042560
.....0...109824...........0......5134924800..................0
..2240...823680...346131968....153876579840.....70577422755840
.....0..6223360...........0...4646469273600..................0
.32256.47297536.79420170240.141154845511680.258888921984516096
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..220
EXAMPLE
Some solutions for 4 X 3:
..0..1..0....1..1..0....1..0..0....0..1..1....1..1..1....0..0..0....0..0..1
..0..1..1....0..1..0....0..1..0....1..0..1....0..0..0....1..0..0....1..1..1
..0..1..1....1..1..0....1..0..0....1..0..0....1..0..1....1..0..1....0..0..1
..1..1..0....1..1..1....0..1..0....1..1..1....0..1..1....0..1..1....1..0..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 06 2011
STATUS
approved