OFFSET
1,1
COMMENTS
Column 4 of A251845
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 41*a(n-3) -521*a(n-6) +2122*a(n-9) -3698*a(n-12) +2906*a(n-15) -927*a(n-18) +157*a(n-21) -89*a(n-24) +10*a(n-27) for n>32
EXAMPLE
Some solutions for n=4
..1..0..0..1..0..3....1..2..1..1..2..1....0..1..0..0..1..0....2..1..1..2..1..1
..1..0..3..1..0..0....0..1..0..0..1..0....0..1..3..0..1..3....0..2..2..0..2..2
..2..1..1..2..1..1....3..1..0..3..1..0....1..2..1..1..2..1....2..1..1..2..1..1
..1..0..0..1..0..0....1..2..1..1..2..1....0..1..0..0..1..0....2..1..1..2..1..1
..1..0..3..1..0..3....0..1..0..0..1..0....0..1..0..3..1..0....0..2..2..0..2..2
..2..1..1..2..1..1....0..1..3..0..1..3....1..2..1..1..2..1....2..1..1..2..1..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 09 2014
STATUS
approved