OFFSET

1,1

COMMENTS

Column 4 of A213464

LINKS

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

EXAMPLE

Some solutions for n=3

..0....0....0....0....0....0....0....2....2....2....0....0....0....2....2....0

..2....0....0....2....2....0....0....0....2....0....0....3....0....0....2....0

..3....2....1....2....0....0....0....0....1....1....1....0....1....0....0....1

..2....0....1....3....0....2....0....1....0....0....1....0....0....0....2....0

..1....0....1....1....0....1....1....1....1....0....2....0....3....0....0....0

..1....0....1....0....2....3....1....3....0....2....1....0....3....0....1....2

..1....1....3....0....3....1....3....1....2....2....3....1....0....0....3....1

..1....1....3....3....0....1....0....0....3....3....1....3....0....3....1....2

..0....2....0....0....0....0....0....3....1....3....0....0....1....0....0....2

..0....1....1....0....0....1....1....2....3....0....2....1....1....1....0....1

CROSSREFS

KEYWORD

nonn

AUTHOR

R. H. Hardin Jun 12 2012

STATUS

approved