OFFSET
1,2
COMMENTS
Table starts
...1.....2......4......8.....16.......32......64...128.256
...2.....8.....40....176....744.....3144...13128.54424
...4....40....405...3561..29567...242439.1964902
...8...176...3561..60534.993913.16142576
..16...744..29567.993913
..32..3144.242439
..64.13128
.128
EXAMPLE
Some solutions for n=3 k=4
..0..1..0..1....0..1..1..0....1..1..1..1....0..1..0..0....0..0..1..0
..0..1..0..0....1..0..1..1....0..0..0..0....1..0..0..0....0..1..1..1
..1..0..1..1....0..0..0..1....1..0..1..0....0..0..1..0....0..1..1..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Dec 27 2012
STATUS
approved