OFFSET
1,1
COMMENTS
Column 3 of A316876.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-1) -a(n-2) +2*a(n-3) -36*a(n-4) -22*a(n-5) +16*a(n-6) +131*a(n-7) +27*a(n-8) -72*a(n-9) -71*a(n-10) +21*a(n-11) +16*a(n-12) -15*a(n-13) -10*a(n-14) -18*a(n-15) -8*a(n-16) for n>17
EXAMPLE
Some solutions for n=5
..0..0..1. .0..0..0. .0..1..1. .0..0..1. .0..1..0. .0..0..0. .0..0..1
..0..0..1. .0..1..1. .0..1..0. .0..0..0. .1..1..1. .1..0..1. .0..0..0
..0..0..1. .1..0..1. .0..0..0. .0..1..1. .1..1..1. .1..1..1. .0..0..0
..0..1..0. .1..1..1. .0..1..0. .1..0..1. .1..0..1. .0..0..1. .0..1..0
..1..1..0. .0..1..0. .1..0..1. .0..1..0. .0..1..0. .0..0..1. .1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 15 2018
STATUS
approved