OFFSET
1,1
COMMENTS
Table starts
..2..2...3....4......5.......6........7..........8...........9..........10
..2..2...3....4......5.......6........7..........8...........9..........10
..3..3...8...15.....27......46.......76........122.........190.........287
..4..4..15...35.....81.....174......364........740........1459........2778
..5..5..27...81....247.....689.....1880.......4994.......12917.......32349
..6..6..46..174....689....2482.....8744......30122......101738......333863
..7..7..76..364...1880....8744....39967.....180591......808247.....3528186
..8..8.122..740...4994...30122...180591....1086910.....6563582....38760349
..9..9.190.1459..12917..101738...808247....6563582....54162362...437433513
.10.10.287.2778..32349..333863..3528186...38760349...437433513..4835495936
.11.11.421.5105..78303.1060075.14892204..220439811..3384841935.51024249576
.12.12.601.9069.183394.3255831.60674978.1203499419.25003511250
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..220
EXAMPLE
Some solutions for n=3 k=4
..0..0..1..1....1..1..1..1....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..1..1....1..1..1..1....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..1..1....1..1..1..1....0..0..0..1....1..1..0..0....0..0..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Nov 18 2012
STATUS
approved