OFFSET
1,1
COMMENTS
Column 3 of A305530.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-1) +2*a(n-2) +10*a(n-3) -44*a(n-4) +4*a(n-5) +18*a(n-6) +2*a(n-7) -26*a(n-8) -27*a(n-9) -12*a(n-10) -3*a(n-11)
EXAMPLE
Some solutions for n=5
..0..1..0. .0..0..1. .0..0..1. .0..0..1. .0..0..0. .0..1..1. .0..0..0
..0..0..1. .1..0..1. .1..1..0. .1..0..0. .1..1..0. .0..1..0. .1..1..0
..1..0..0. .1..1..1. .1..1..1. .1..1..0. .0..1..0. .0..0..0. .1..1..1
..0..1..0. .0..0..1. .0..0..1. .1..1..1. .1..0..1. .0..0..1. .1..1..0
..0..1..0. .1..1..0. .0..1..1. .1..1..0. .1..1..1. .0..0..1. .0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 04 2018
STATUS
approved