OFFSET
1,1
COMMENTS
Table starts
....16.....40......104.......264........680.........1736..........4456
....40....120......368......1128.......3456........10592.........32456
...104....368.....1408......5272......19992........75192........284256
...264...1128.....5272.....24832.....118248.......562800.......2680000
...680...3456....19992....118248.....725352......4430912......27172072
..1736..10592....75192....562800....4430912.....35108016.....278758936
..4456..32456...284256...2680000...27172072....278758936....2886249088
.11400..99464..1071200..12760448..166155112...2212654240...29857704328
.29224.304792..4044648..60758008.1017804600..17567479016..309306410040
.74824.934032.15253448.289298976.6228062600.139478572544.3201277096848
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..683
EXAMPLE
Some solutions for 4X3
..0..1..1....0..0..0....0..1..0....0..1..0....0..1..1....0..0..0....1..0..0
..1..0..1....0..1..0....0..1..1....1..0..1....1..0..0....0..0..1....0..1..1
..0..0..0....1..0..1....0..0..0....1..1..0....0..1..0....0..1..0....1..0..1
..0..0..1....0..1..1....0..1..0....0..0..1....0..0..1....1..0..1....1..1..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 03 2011
STATUS
approved