OFFSET
1,1
COMMENTS
Column 3 of A201451
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..164
FORMULA
Empirical: a(n) = 2*a(n-4) +3*a(n-8) -8*a(n-12) -a(n-16) +10*a(n-20) -5*a(n-24) +5*a(n-32) -10*a(n-36) +a(n-40) +8*a(n-44) -3*a(n-48) -2*a(n-52) +a(n-56)
EXAMPLE
Some solutions for n=10
..0..0..2....0..0..0....0..0..0....0..0..2....0..0..0....0..0..0....0..0..1
..0..0..2....0..0..1....0..0..0....0..1..2....0..0..1....0..1..2....0..1..1
..0..1..2....0..0..2....0..0..1....0..1..2....0..1..2....0..1..2....0..1..2
..0..1..3....1..1..3....1..1..2....0..1..2....0..2..3....0..1..2....0..2..2
..0..1..3....1..1..3....1..1..2....0..1..2....1..2..3....0..1..2....0..2..2
..0..1..3....1..1..3....1..2..2....0..1..2....1..2..3....1..1..2....0..2..3
..1..2..3....1..2..3....1..2..2....1..1..3....1..2..3....1..3..3....0..2..3
..1..2..3....2..2..3....2..3..3....1..2..3....1..2..3....2..3..3....1..2..3
..1..2..3....2..2..3....3..3..3....3..3..3....1..2..3....2..3..3....1..3..3
..2..2..3....2..2..3....3..3..3....3..3..3....1..3..3....2..3..3....1..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 01 2011
STATUS
approved