OFFSET
1,2
COMMENTS
Column 3 of A305022.
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) +6*a(n-3) -79*a(n-4) -104*a(n-5) +77*a(n-6) +181*a(n-7) +65*a(n-8) -51*a(n-9) -5*a(n-10) +49*a(n-11) +5*a(n-12) -18*a(n-13) -2*a(n-14) +4*a(n-15) for n>16
EXAMPLE
Some solutions for n=5
..0..1..0. .0..0..0. .0..1..0. .0..1..0. .0..1..1. .0..0..1. .0..1..0
..0..1..1. .1..1..1. .0..1..1. .0..1..1. .1..0..0. .1..1..0. .1..0..1
..1..0..0. .1..0..0. .0..0..1. .0..0..1. .1..0..1. .1..1..1. .0..0..1
..0..0..1. .0..1..0. .1..1..0. .1..0..1. .0..1..1. .0..0..0. .0..1..1
..1..0..1. .1..0..1. .0..1..0. .0..1..0. .0..1..0. .1..0..1. .0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 23 2018
STATUS
approved