OFFSET
1,1
COMMENTS
Column 4 of A234083
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=2
..1..2..1..2..3....1..4..4..4..1....3..3..1..1..3....1..1..3..1..3
..0..3..4..1..4....2..3..1..3..4....2..0..2..4..4....4..2..4..2..0
..2..1..2..3..2....1..4..4..2..1....1..3..1..1..3....1..1..1..3..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 19 2013
STATUS
approved