OFFSET
1,1
COMMENTS
Row 7 of A269289.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=2
..0..0. .0..0. .0..0. .0..0. .0..0. .0..0. .0..0. .0..0. .0..0. .0..0
..0..0. .0..0. .0..0. .0..0. .0..0. .0..0. .0..0. .0..0. .0..0. .0..0
..2..3. .0..1. .1..1. .2..0. .2..3. .2..2. .2..0. .2..2. .2..1. .2..2
..0..2. .0..0. .1..0. .3..1. .3..3. .0..1. .3..1. .0..0. .1..3. .0..0
..2..0. .1..3. .1..2. .0..0. .3..1. .2..0. .1..3. .1..3. .3..2. .1..0
..2..3. .3..3. .0..0. .1..1. .0..0. .2..2. .2..3. .2..2. .0..0. .3..1
..1..1. .1..2. .0..0. .1..3. .1..0. .2..2. .2..2. .2..0. .2..2. .0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 21 2016
STATUS
approved