OFFSET
1,2
COMMENTS
Column 7 of A230926
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..20
EXAMPLE
Some solutions for n=3
..0..0..0..0..2..0..2....0..0..0..0..1..0..2....0..0..0..0..1..0..0
..2..1..2..2..1..1..1....1..2..1..1..2..0..1....2..1..2..2..0..1..2
..1..0..0..1..2..0..2....1..0..0..0..1..1..2....0..1..0..2..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 01 2013
STATUS
approved