OFFSET
1,1
COMMENTS
Column 4 of A300182.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 14*a(n-1) +27*a(n-2) +51*a(n-3) -10*a(n-4) -a(n-5) -10*a(n-6)
EXAMPLE
Some solutions for n=5
..0..0..0..0. .0..0..0..1. .0..0..0..1. .0..0..0..1. .0..0..0..1
..0..1..1..1. .0..1..0..0. .0..0..1..1. .1..0..0..0. .0..1..1..1
..1..0..1..1. .0..1..1..0. .0..0..0..1. .0..0..0..0. .0..1..0..0
..1..0..1..1. .0..1..1..1. .1..0..1..0. .0..0..1..0. .0..0..0..0
..1..1..0..1. .1..1..1..1. .1..1..1..0. .0..1..1..1. .1..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 27 2018
STATUS
approved