OFFSET
1,3
LINKS
R. H. Hardin, Table of n, a(n) for n=1..27
EXAMPLE
M and M*transpose(M) (mod 2) for 4 X 3:
..0..0..0......0..0..0..0
..0..1..1......0..0..0..1
..1..0..0......0..0..1..1
..1..1..0......0..1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 10 2010
STATUS
approved