OFFSET
1,1
COMMENTS
Column 2 of A272973.
FORMULA
Empirical: a(n) = a(n-1) +a(n-2) -a(n-3) for n>11
EXAMPLE
All solutions for n=3
..1..0. .1..1. .1..0. .1..0. .0..1. .1..0. .0..1. .1..1. .0..1. .0..1
..0..0. .0..0. .1..0. .1..0. .0..1. .0..1. .0..1. .0..0. .1..0. .0..0
..1..1. .1..0. .0..1. .1..0. .0..1. .0..1. .1..0. .0..1. .1..0. .1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 11 2016
STATUS
approved