OFFSET
1,1
COMMENTS
Column 6 of A278610.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..18
EXAMPLE
Some solutions for n=1
..3..2..0..1..3..0. .3..2..3..2..0..1. .1..3..1..3..1..0. .3..2..0..2..3..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 23 2016
STATUS
approved