OFFSET
1,1
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..39
EXAMPLE
Some positive determinant 3 X 3 0..1 matrices
..1..1..1....0..0..1....0..1..0....0..1..1....1..1..1....0..1..0....0..1..0
..0..1..1....1..1..0....0..1..1....0..0..1....0..1..0....0..1..1....1..1..1
..1..0..1....0..1..0....1..1..1....1..1..0....0..0..1....1..0..1....1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 02 2011
STATUS
approved