OFFSET
1,1
COMMENTS
Column 4 of A251359
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=1
..2..2..0..3..3....2..0..2..1..0....0..0..1..1..1....3..2..0..1..1
..0..3..3..2..0....0..3..1..2..2....0..2..1..0..2....0..1..2..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 01 2014
STATUS
approved