OFFSET
1,1
COMMENTS
Column 3 of A297720.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +8*a(n-2) +64*a(n-3) +85*a(n-4) +19*a(n-5) -569*a(n-6) -1161*a(n-7) -1173*a(n-8) +125*a(n-9) +1720*a(n-10) +1802*a(n-11) +1328*a(n-12) +240*a(n-13)
EXAMPLE
Some solutions for n=7
..0..1..0. .1..1..1. .1..1..1. .1..0..0. .1..0..0. .1..1..0. .0..1..1
..0..0..1. .1..0..1. .1..0..1. .0..1..1. .0..1..0. .1..0..0. .1..0..0
..0..0..0. .0..1..1. .0..1..1. .0..1..0. .0..0..0. .0..1..0. .0..0..0
..0..0..0. .0..0..1. .0..0..1. .0..0..0. .0..1..1. .0..1..0. .1..1..0
..1..0..1. .1..0..1. .0..1..0. .0..1..1. .0..0..0. .1..0..1. .0..0..1
..1..1..1. .0..1..1. .1..0..0. .0..1..0. .1..1..0. .1..1..1. .0..1..0
..0..1..0. .0..1..1. .0..1..0. .0..1..1. .0..0..0. .0..0..0. .0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 04 2018
STATUS
approved