OFFSET
1,1
COMMENTS
Column 3 of A267966.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
R. H. Hardin, Empirical recurrence of order 60
FORMULA
Empirical recurrence of order 60 (see link above)
EXAMPLE
Some solutions for n=4
..2..0..0....0..2..1....0..2..1....1..2..0....0..0..1....0..0..2....0..1..0
..0..1..1....2..0..2....2..2..0....0..2..1....2..1..1....2..0..1....2..0..1
..2..0..2....0..2..1....2..1..0....1..1..0....1..0..0....0..2..0....1..2..2
..0..1..0....1..2..1....0..0..2....2..0..0....1..0..1....2..1..0....1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 22 2016
STATUS
approved