OFFSET

1,1

COMMENTS

Column 6 of A240039

LINKS

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

EXAMPLE

Some solutions for n=3

..2..1..2..1..1..2....1..2..1..2..2..1....1..2..1..2..1..2....1..2..1..2..1..2

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

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

CROSSREFS

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 31 2014

STATUS

approved