OFFSET
1,7
COMMENTS
Table starts
...1....0......0.......3.........4...........4............5.............20
...0....0......0.......7.........0..........32............0............168
...0....0......4......19.........0..........84..........212...........1366
...3....7.....19......52.......165.........835.........3307..........14419
...4....0......0.....165.......674........3770........15100.........172590
...4...32.....84.....835......3770.......38238.......255304........2542901
...5....0....212....3307.....15100......255304......2284728.......37484794
..20..168...1366...14419....172590.....2542901.....37484794......620488671
..27....0...1302...66213....759758....20957580....318665044....10589084713
..48..948..11152..302731...6657106...204487984...5848569858...186293287066
..63....0..21206.1350601..30994294..1778907664..53774145449..3354992092851
.175.5279.132937.6283864.298933498.17205177010.993959061317.61359735913289
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..199
EXAMPLE
Some solutions for n=4 k=4
..0..0..0..0....0..0..0..1....0..1..1..1....0..0..0..0....0..1..1..1
..1..0..0..0....0..0..0..0....0..1..1..1....0..0..0..0....1..1..1..1
..1..0..0..0....0..0..0..0....1..1..1..1....0..0..0..0....0..1..1..1
..0..0..0..0....1..0..0..0....0..1..1..1....0..1..0..1....1..1..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 15 2013
STATUS
approved