OFFSET
1,1
COMMENTS
Column 3 of A251120
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=1
..1..3..2..3....1..2..3..3....3..2..3..1....1..1..2..3....3..2..3..3
..0..1..1..3....1..0..3..0....3..0..3..2....2..2..2..1....1..1..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 30 2014
STATUS
approved