OFFSET
1,1
COMMENTS
Column 3 of A296674.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-1) -a(n-2) +5*a(n-3) -55*a(n-4) -22*a(n-5) +42*a(n-6) +48*a(n-7) +37*a(n-8) -16*a(n-9) +30*a(n-10) -22*a(n-11) +4*a(n-12)
EXAMPLE
Some solutions for n=7
..0..1..1. .1..0..0. .1..1..0. .0..0..0. .1..1..0. .0..0..1. .0..0..0
..0..1..1. .0..0..1. .1..0..0. .0..1..0. .1..0..1. .0..0..0. .0..0..0
..0..0..0. .0..0..0. .0..1..1. .0..0..0. .0..1..1. .1..1..0. .0..0..0
..1..0..0. .0..0..0. .0..0..1. .0..0..0. .0..0..0. .1..0..1. .0..1..1
..0..0..0. .0..1..0. .0..0..0. .0..0..0. .0..0..0. .0..0..1. .0..1..1
..0..0..0. .0..0..0. .1..1..0. .0..1..0. .0..0..0. .1..1..0. .0..0..0
..0..0..0. .1..0..1. .0..1..1. .1..1..1. .0..0..0. .1..0..0. .1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 18 2017
STATUS
approved