OFFSET
1,2
COMMENTS
Table starts
...1......2.........3............6.............10................20
...2......7........21...........78............260...............988
...3.....21.......114..........850...........5354.............40832
...6.....78.......850........12203.........154079...........2291035
..10....260......5354.......154079........3770481.........112353512
..20....988.....40832......2291035......112353512........6583423572
..35...3458....274911.....30897341.....2965955665......348054260961
..70..13300...2120988....467710777....89945894383....20844200882158
.126..47880..14827787...6547006490..2477411142245..1149400416641961
.252.185535.115207396.100186985054.75930571035939.69745557672260827
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..158
EXAMPLE
Some solutions for 5X4
..0..1..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..1
..0..0..0..1....1..0..0..1....0..1..1..0....0..0..1..1....0..0..1..0
..0..1..1..0....0..1..0..1....1..0..0..1....0..1..0..1....1..0..1..0
..0..0..0..1....0..0..0..0....0..0..1..1....1..1..0..0....1..1..0..0
..1..0..1..1....0..0..1..1....1..0..0..0....1..1..1..0....0..1..1..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 04 2011
STATUS
approved