OFFSET
1,1
COMMENTS
Table starts
..2....4....6.....9.....13.....19......28.......41.......60........88
..4...16...36....81....169....361.....784.....1681.....3600......7744
..6...36...82...221....493...1095....2654.....6203....14182.....33242
..9...81..193...663...1664...4018...11509....30943....79178....213444
.14..196..488..2245...6552..16920...59252...188350...538950...1709438
.21..441.1087..6459..21547..56651..235872...862146..2629798...9529570
.31..961.2305.17563..67330.178627..887114..3733566.11979209..49800326
.46.2116.4932.48649.217902.581166.3488718.17141340.57575203.278302021
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..684
EXAMPLE
Some solutions for n=4 k=3
..0..0..1....1..1..1....0..1..1....1..1..1....1..0..0....1..1..1....1..0..0
..0..1..1....1..1..0....0..0..1....1..0..0....1..0..0....1..0..0....1..1..0
..0..0..1....1..0..0....1..0..0....1..0..0....1..1..0....1..0..0....1..0..0
..0..0..1....1..0..0....0..1..0....0..1..1....0..0..1....1..0..0....1..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 19 2012
STATUS
approved