OFFSET
1,1
COMMENTS
Column 3 of A236451
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=1
..1..2..0..0....2..2..3..2....3..1..2..2....0..3..1..1....3..0..1..2
..3..3..0..0....0..0..1..1....1..2..2..2....3..2..1..0....3..2..0..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 26 2014
STATUS
approved