OFFSET
1,1
COMMENTS
Column 3 of A297073.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 7*a(n-1) +4*a(n-3) -30*a(n-4) -145*a(n-5) -69*a(n-6) +50*a(n-7) +33*a(n-8) -26*a(n-9) -7*a(n-10) -4*a(n-11)
EXAMPLE
Some solutions for n=6
..0..1..1. .0..0..0. .1..0..1. .0..1..0. .0..1..1. .1..1..1. .1..0..1
..0..1..1. .0..0..0. .1..1..1. .0..0..0. .0..1..0. .1..0..1. .0..0..0
..0..0..1. .0..0..0. .1..0..1. .0..1..0. .0..1..0. .0..1..0. .0..0..1
..1..1..1. .0..1..0. .1..1..1. .1..1..0. .0..1..1. .1..1..0. .1..0..0
..0..1..1. .1..0..1. .0..0..1. .1..1..0. .0..1..1. .0..1..0. .1..1..0
..1..1..0. .0..1..0. .1..0..0. .1..1..0. .1..1..1. .0..0..0. .0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 24 2017
STATUS
approved