OFFSET
1,2
COMMENTS
Column 3 of A316932.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 7*a(n-1) -3*a(n-2) -3*a(n-3) -64*a(n-4) -24*a(n-5) +77*a(n-6) +105*a(n-7) +88*a(n-8) -14*a(n-9) -40*a(n-10) +10*a(n-11) +18*a(n-12) +4*a(n-13) for n > 15.
EXAMPLE
Some solutions for n=5
..0..1..1. .0..1..1. .0..1..0. .0..1..0. .0..0..1. .0..0..1. .0..1..1
..1..0..0. .0..1..1. .1..0..1. .1..0..1. .1..1..0. .1..1..0. .0..1..1
..0..0..1. .0..0..0. .1..0..0. .1..1..1. .0..0..0. .1..0..1. .1..1..1
..1..0..1. .1..1..0. .1..0..1. .0..0..0. .0..1..0. .0..0..0. .0..0..0
..0..1..0. .1..1..0. .1..0..1. .1..0..1. .0..1..0. .1..1..1. .0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 16 2018
STATUS
approved