OFFSET
1,1
COMMENTS
Column 4 of A259515
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 8*a(n-1) +61*a(n-2) -432*a(n-3) -936*a(n-4) +7415*a(n-5) +3311*a(n-6) -51997*a(n-7) +14878*a(n-8) +156464*a(n-9) -95087*a(n-10) -197708*a(n-11) +149042*a(n-12) +84334*a(n-13) -69090*a(n-14)
EXAMPLE
Some solutions for n=4
..1..0..0..0..1....1..0..0..0..0....0..0..0..0..0....1..0..0..0..1
..0..0..0..1..1....1..1..0..1..0....0..1..0..0..0....0..0..1..0..0
..0..0..1..1..0....1..0..1..0..0....1..0..1..0..0....1..0..0..1..0
..0..1..0..1..1....0..0..0..0..0....1..1..0..0..1....1..1..0..0..0
..0..0..0..0..1....1..0..0..0..1....1..0..0..1..1....1..0..0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 29 2015
STATUS
approved