OFFSET
1,2
COMMENTS
Column 5 of A278188.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..34
EXAMPLE
Some solutions for n=2
..0..1..0..2..0. .0..2..0..1..3. .0..1..0..0..1. .0..2..3..2..1
..1..2..3..3..1. .1..3..1..2..0. .3..2..1..3..2. .1..1..0..3..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 14 2016
STATUS
approved