OFFSET
1,1
COMMENTS
Column 4 of A237538
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=1
..2..2..1..0..1....3..2..0..1..3....3..2..1..3..3....1..1..1..0..0
..2..1..0..0..0....1..1..0..2..1....3..1..2..0..2....2..3..2..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 09 2014
STATUS
approved