OFFSET
1,1
COMMENTS
Column 3 of A251292
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) +17*a(n-2) -25*a(n-3) -74*a(n-4) +87*a(n-5) +108*a(n-6) -77*a(n-7) -72*a(n-8) +15*a(n-9) +18*a(n-10) +2*a(n-11)
EXAMPLE
Some solutions for n=4
..0..1..0..1....1..0..1..1....1..1..1..0....0..0..0..1....1..0..0..1
..0..1..0..1....0..0..0..0....0..0..0..0....0..1..0..1....0..1..0..0
..0..1..0..0....1..0..1..0....1..1..1..1....0..1..0..1....0..1..0..1
..0..0..1..1....1..0..0..0....0..0..0..0....0..1..0..0....0..0..0..0
..1..0..0..0....1..0..1..0....0..1..1..1....0..0..1..0....1..0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 01 2014
STATUS
approved