OFFSET
1,1
COMMENTS
Column 3 of A239256
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..0..2..0....4..3..2....0..0..2....2..4..4....3..2..3....2..4..0....0..0..4
..3..1..2....3..1..1....0..0..2....0..2..2....2..4..1....4..3..2....4..3..2
..2..2..1....4..3..0....2..0..2....0..0..3....0..4..4....0..4..2....4..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 13 2014
STATUS
approved