OFFSET
1,1
COMMENTS
Table starts
......80......244........702........2062.........6032..........17614
.....244......998.......3716.......14068........53354.........201506
.....702.....3716......17676.......84322.......403624........1933250
....2062....14068......84322......505798......3056040.......18480372
....6032....53354.....403624.....3056040.....23451600......179906536
...17614...201506....1933250....18480372....179906536.....1749952542
...51482...761710....9252084...111589592...1376241620....16952701994
..150462..2880986...44314952...674322800..10535519936...164412250764
..439760.10892888..212152082..4074139940..80677265034..1595394864290
.1285280.41189884.1015748354.24612093494.617694879242.15477715431252
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..179
EXAMPLE
Some solutions for n=3, k=3
..1..0..0..0..1....1..1..1..1..0....0..0..1..1..1....1..1..1..0..0
..1..1..0..0..1....0..1..1..1..1....0..1..1..1..1....1..1..1..1..1
..1..1..0..0..0....0..0..1..1..1....1..1..1..1..0....0..1..1..1..1
..1..1..1..0..0....0..0..1..1..0....1..1..1..1..0....0..1..1..1..1
..0..1..1..1..0....0..0..1..1..0....0..1..1..1..0....1..1..1..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Dec 31 2011
STATUS
approved