OFFSET
1,1
COMMENTS
Column 5 of A224665
FORMULA
Empirical: a(n) = 6*a(n-1) -12*a(n-2) +5*a(n-3) +12*a(n-4) -12*a(n-5) -3*a(n-6) +6*a(n-7) -a(n-9) for n>10
EXAMPLE
Some solutions for n=3
..0..0..0....1..1..4....1..0..5....1..1..3....1..0..2....1..0..2....1..0..0
..0..0..0....0..0..0....1..0..1....0..0..0....1..0..1....1..0..1....1..0..1
..2..1..1....0..0..0....0..0..1....5..1..1....2..0..1....4..0..1....3..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 14 2013
STATUS
approved