OFFSET
1,2
COMMENTS
Column 7 of A230910
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..1..2..0..1..3..2....0..3..0..3..1..0..1....0..3..0..2..3..0..2
..3..0..3..2..0..1..0....1..2..1..0..2..3..2....1..2..1..0..1..3..0
..2..1..0..3..2..3..2....3..0..3..1..0..1..0....3..0..3..2..0..1..2
..0..3..2..0..1..0..1....2..1..0..3..2..3..2....2..1..0..1..3..0..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 01 2013
STATUS
approved