OFFSET
1,1
COMMENTS
Column 5 of A217273
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..20
EXAMPLE
Some solutions for n=3
..1..1..0..1..0....1..0..0..1..0....0..1..0..1..0....1..0..0..0..0
..0..1..2..2..0....2..1..4..2..0....1..3..2..3..1....2..1..1..4..3
..1..2..0..2..2....0..0..2..1..1....0..0..0..2..1....0..1..1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 29 2012
STATUS
approved