OFFSET
1,1
COMMENTS
Column 3 of A231586
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
R. H. Hardin, Empirical recurrence of order 72
FORMULA
Empirical recurrence of order 72 (see link above)
EXAMPLE
Some solutions for n=4
..1..0..0....3..0..1....1..0..3....0..2..3....2..2..1....2..3..1....1..1..1
..0..0..3....0..0..0....0..0..0....0..0..2....1..0..0....2..1..1....2..1..1
..0..3..0....0..0..0....3..0..1....0..0..3....0..0..0....0..0..3....3..1..1
..2..0..0....3..3..3....0..0..0....0..1..2....0..3..0....0..0..0....2..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 11 2013
STATUS
approved