OFFSET

1,1

COMMENTS

Column 4 of A212232

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=3

..0....0....0....0....1....2....2....0....0....2....2....1....1....0....1....0

..1....2....0....1....0....1....0....1....1....2....0....2....2....2....1....0

..1....0....0....1....0....1....1....2....0....1....1....0....0....0....1....0

..1....0....2....0....1....0....0....0....1....0....1....1....0....0....2....1

..2....0....2....0....0....0....1....0....1....0....2....0....1....1....0....0

..1....1....0....0....1....1....2....2....2....1....0....2....2....0....1....1

..2....2....0....1....1....2....0....2....0....1....0....2....1....0....1....0

..0....1....2....1....0....0....2....0....1....1....0....0....1....1....0....0

..0....1....2....1....0....2....1....1....1....2....1....1....1....1....1....2

..0....2....0....2....2....0....0....0....2....2....1....2....0....1....0....2

CROSSREFS

KEYWORD

nonn

AUTHOR

R. H. Hardin May 06 2012

STATUS

approved