OFFSET
1,1
COMMENTS
Table starts:
....16......47......125........335..........907..........2470............6740
....47.....181......749.......3254........14199.........62031..........271125
...125.....749.....4901......31805.......205117.......1322417.........8522985
...335....3254....31805.....313597......3084029......30487865.......301345617
...907...14199...205117....3084029.....45645661.....681254361.....10133992449
..2470...62031..1322417...30487865....681254361...15468240213....349154906413
..6740..271125..8522985..301345617..10133992449..349154906413..11909737623605
.18406.1185255.54938417.2981578169.150976448169.7906679632133.408218289321933
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..480
EXAMPLE
Some solutions for n=4, k=3:
..1..0..1..1....0..1..0..1....0..1..0..0....0..0..1..0....1..0..1..1
..0..0..0..0....0..0..0..1....0..1..0..0....1..0..0..0....1..0..1..1
..0..1..1..0....1..0..0..0....0..1..0..1....0..0..0..1....0..0..1..1
..0..0..0..0....1..0..0..0....0..1..0..0....0..0..0..1....1..0..0..0
..1..1..1..1....1..0..0..0....0..1..0..0....0..0..0..0....1..0..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 17 2012
STATUS
approved