OFFSET
1,1
COMMENTS
Column 4 of A234777
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=1
..3..2..3..2..0....3..4..3..4..3....1..2..1..3..3....1..3..2..2..1
..3..1..0..1..1....2..2..3..2..3....1..0..1..2..1....2..3..4..3..4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 30 2013
STATUS
approved