OFFSET
1,1
COMMENTS
Column 4 of A222871
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..23
EXAMPLE
Some solutions for n=3
..0..0..1..2....0..1..2..3....0..1..2..0....0..0..1..2....0..0..1..1
..2..3..3..4....4..4..2..5....0..3..4..1....3..4..5..3....2..3..4..5
..4..5..0..4....5..3..0..4....2..5..4..2....3..1..2..4....1..3..4..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 07 2013
STATUS
approved