OFFSET
1,1
COMMENTS
Column 3 of A265973.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..3..1....3..3..2....4..0..2....1..1..2....3..4..2....3..0..1....0..3..1
..1..3..4....1..1..0....1..3..2....0..4..4....0..0..2....3..4..1....0..4..4
..1..0..4....4..4..0....1..3..0....0..3..1....1..1..3....1..4..3....2..1..3
..4..0..1....0..3..3....4..4..1....2..3..0....3..4..0....0..0..3....2..1..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 19 2015
STATUS
approved