OFFSET
1,1
COMMENTS
Column 2 of A265458.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..1..2....3..1....1..0....4..3....3..2....2..3....2..0....1..3....4..2....3..2
..2..3....4..2....0..2....2..1....2..1....3..4....0..1....2..4....3..1....1..0
..1..2....2..1....2..3....1..3....1..2....4..2....1..2....1..2....1..3....0..1
..3..4....1..3....3..1....0..1....3..4....2..1....2..3....2..1....3..1....2..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 09 2015
STATUS
approved