OFFSET
1,2
COMMENTS
Table starts
...1......2.........4...........7............12.............21.............37
...2......6........18..........51...........142............405...........1157
...4.....18........90.........423..........1958...........9233..........43725
...7.....51.......423........3334.........25647.........200376........1574278
..12....142......1958.......25647........326444........4215579.......54797587
..21....405......9233......200376.......4215579.......89981627.....1935133104
..37...1157.....43725.....1574278......54797587.....1935133104....68906619754
..65...3289....206269....12334824.....710493819....41520773667..2448261182674
.114...9344....971794....96480571....9194088812...888957906061.86782430779997
.200..26580...4583164...755212375..119051026450.19043081452793
.351..75621..21622807..5914093280.1542298398563
.616.215076.101988408.46306103745
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..126
EXAMPLE
Some solutions for n=3 k=4
..1..0..0..0....1..0..1..1....0..0..0..0....0..0..0..0....1..0..0..1
..0..0..0..1....0..0..0..1....0..0..1..0....1..0..0..0....0..0..0..0
..1..0..0..0....0..0..1..1....1..0..0..0....1..1..1..1....0..1..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Nov 17 2012
STATUS
approved