OFFSET
1,1
COMMENTS
Column 2 of A206521
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 66*a(n-1) -116*a(n-2) -1310*a(n-3) -7016*a(n-4) -9076*a(n-5) -9408*a(n-6) -4662*a(n-7) -4635*a(n-8) -378*a(n-9) -648*a(n-10)
EXAMPLE
Some solutions for n=4
..0..1..0....0..1..0....0..0..1....0..1..0....0..0..0....0..1..1....0..1..0
..2..0..1....1..0..0....0..1..0....0..1..0....0..0..1....0..2..1....1..0..0
..0..2..0....1..0..2....2..2..1....0..1..0....2..3..2....1..1..0....0..1..1
..1..2..1....3..2..1....0..3..1....0..1..1....3..1..1....3..2..3....1..0..2
..3..0..0....1..0..3....0..1..0....0..0..0....1..3..3....3..0..0....3..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 08 2012
STATUS
approved