OFFSET
1,2
COMMENTS
Diagonal of A270118.
EXAMPLE
Some solutions for n=2
..5..2. .0..2. .0..0. .7..3. .5..1. .5..2. .4..5. .2..1. .7..5. .0..6
..5..1. .6..5. .7..5. .4..3. .2..7. .3..1. .0..2. .5..0. .0..3. .7..7
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 11 2016
STATUS
approved