OFFSET
1,1
COMMENTS
Column 4 of A237936
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..57
EXAMPLE
Some solutions for n=1
..1..1..2..1..2....3..0..1..1..2....1..3..2..2..0....2..2..0..3..0
..2..1..2..0..1....0..1..1..1..0....3..3..3..1..1....3..1..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 16 2014
STATUS
approved