OFFSET
1,1
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..140
EXAMPLE
Some solutions for n=4
..0..0..0..0....0..1..0..0....0..0..0..0....0..0..1..0....0..0..0..0
..1..1..2..1....2..1..2..1....1..1..2..1....1..2..1..0....1..1..1..1
..0..3..0..0....0..0..0..0....2..0..0..0....0..0..1..0....2..0..0..0
..4..1..1..1....1..1..1..1....1..1..1..2....2..2..1..0....1..1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 22 2012
EXTENSIONS
Terms a(8) and beyond from Andrew Howroyd, Mar 15 2023
STATUS
approved