OFFSET
1,1
COMMENTS
Column 3 of A237911
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=1
..2..3..1..2....2..1..0..1....3..2..0..1....2..2..1..1....2..3..0..0
..0..2..3..2....0..2..3..1....1..1..2..3....1..0..3..3....0..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 15 2014
STATUS
approved