OFFSET
1,1
COMMENTS
Column 5 of A301884.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 3*a(n-1) +14*a(n-2) -34*a(n-3) -56*a(n-4) +120*a(n-5) +64*a(n-6) -128*a(n-7) for n>9
EXAMPLE
Some solutions for n=5
..0..1..0..0..1. .0..0..1..1..1. .0..1..1..1..0. .0..0..1..0..1
..0..1..1..1..0. .1..0..1..0..0. .0..1..0..1..0. .1..1..1..1..0
..0..1..1..1..1. .1..0..1..1..0. .0..0..0..1..0. .0..1..1..1..0
..1..0..1..0..1. .1..0..0..1..0. .1..1..1..1..1. .1..0..0..1..0
..1..0..0..0..1. .1..1..0..1..1. .1..0..1..0..1. .1..1..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 28 2018
STATUS
approved