OFFSET
1,1
COMMENTS
Column 1 of A251894
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-3) +a(n-5) -8*a(n-6) -4*a(n-8) +4*a(n-9) +5*a(n-11) -2*a(n-14) for n>22
EXAMPLE
Some solutions for n=4
..2..0..3....3..3..3....3..1..1....1..3..1....1..1..3....0..2..2....2..3..3
..3..0..2....3..0..2....2..1..2....0..3..2....1..1..2....3..3..3....0..1..3
..3..1..0....3..1..0....0..3..2....3..3..2....2..3..0....1..3..0....2..0..3
..3..3..3....3..0..2....2..1..1....2..2..0....1..0..3....1..3..1....3..0..2
..3..0..1....2..0..3....3..1..1....3..3..2....2..2..1....3..2..3....3..1..0
..3..2..0....0..0..0....0..2..3....0..3..2....2..2..0....0..0..0....3..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 10 2014
STATUS
approved