OFFSET
1,1
COMMENTS
Column 3 of A206650
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n)=15*a(n-1)+66*a(n-2)-145*a(n-3)+13*a(n-4)-64*a(n-5)+156*a(n-6)-36*a(n-7)-8*a(n-9)-8*a(n-10)
EXAMPLE
Some solutions for n=4
..0..0..1....0..0..1....0..0..1....0..0..1....0..0..1....0..0..1....0..0..1
..0..0..2....1..2..1....1..1..2....0..0..1....2..0..2....0..0..2....2..0..2
..2..1..0....0..2..2....1..0..0....1..2..0....2..1..2....1..1..0....2..1..1
..1..0..1....0..0..2....2..2..0....1..2..1....0..0..1....1..2..0....0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 11 2012
STATUS
approved