OFFSET
1,1
COMMENTS
Column 4 of A251507
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=1
..0..0..2..3..1....0..0..3..0..1....0..2..2..2..0....0..2..1..0..0
..0..3..0..0..2....3..3..2..3..0....0..3..0..2..1....0..1..3..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 03 2014
STATUS
approved