OFFSET

1,1

COMMENTS

Column 2 of A234838

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 31 2013

STATUS

approved