OFFSET
1,4
COMMENTS
Column 3 of A298902.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) +a(n-2) -2*a(n-3) +a(n-4) -2*a(n-5)
EXAMPLE
All solutions for n=5
..0..0..0. .0..0..0. .0..0..0
..0..0..0. .0..0..0. .0..0..0
..0..0..0. .1..1..1. .0..0..0
..0..0..0. .1..1..1. .1..1..1
..0..0..0. .1..1..1. .1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 28 2018
STATUS
approved