OFFSET
1,2
COMMENTS
Column 7 of A196017
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..226
EXAMPLE
Some solutions for n=4
..2..3..3..3..3..2..2....2..2..3..3..2..3..2....2..3..3..3..3..3..2
..3..3..4..4..3..0..2....2..0..2..3..0..2..3....3..3..4..4..4..3..3
..2..0..3..4..4..3..3....3..2..0..3..2..0..2....2..0..3..3..3..0..2
..2..2..3..3..3..3..2....2..3..2..3..3..2..2....2..2..2..0..2..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 26 2011
STATUS
approved