OFFSET
1,2
COMMENTS
Table starts
..1....2......3........4.........6...........9...........13...........19
..2....4.....11.......24........56.........121..........272..........612
..3...11.....37......138.......427........1444.........4903........16506
..4...24....138......736......3504.......18288........94376.......490864
..6...56....427.....3504.....24194......182372......1381491.....10466773
..9..121...1444....18288....182372.....2075747.....23569130....267932379
.13..272...4903....94376...1381491....23569130....401449253...6843217545
.19..612..16506...490864..10466773...267932379...6843217545.174957270750
.28.1373..55852..2559872..79423818..3051705052.116932875870
.41.3082.187749.13257792.600709200.34604189072
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..127
EXAMPLE
Some solutions for 4X3
..1..0..0....0..1..1....1..0..0....0..1..1....0..0..0....1..1..1....0..0..0
..0..1..0....0..0..0....1..1..0....1..1..0....0..0..0....1..1..1....1..0..1
..0..0..0....0..1..1....1..0..0....0..0..0....0..1..0....1..0..0....1..0..1
..1..1..0....1..1..0....0..0..0....0..1..1....0..0..1....0..1..0....0..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 05 2011
STATUS
approved