OFFSET
1,2
COMMENTS
Diagonal of A302278.
EXAMPLE
Some solutions for n=5:
0 0 1 0 0 0 1 1 0 1 0 1 1 0 0 0 1 1 0 0
1 0 0 1 1 1 0 0 1 1 1 0 0 1 1 0 0 1 1 1
0 1 0 0 0 0 1 0 1 1 0 0 0 0 0 0 1 0 1 1
1 1 0 1 1 0 1 0 0 0 1 1 0 0 1 0 1 1 0 0
1 0 0 1 1 1 0 1 1 0 0 0 1 1 0 1 0 0 1 0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 04 2018
STATUS
approved