OFFSET
1,2
COMMENTS
Column 3 of A302472.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 3*a(n-1) +9*a(n-2) +15*a(n-3) -68*a(n-4) -132*a(n-5) +96*a(n-6) +136*a(n-7) -34*a(n-8) -276*a(n-9) +188*a(n-10) -8*a(n-11) +32*a(n-12) -16*a(n-13) +64*a(n-14)
EXAMPLE
Some solutions for n=5
..0..0..0. .0..0..0. .0..1..1. .0..0..0. .0..1..1. .0..0..1. .0..0..1
..0..1..1. .1..0..1. .1..0..1. .1..1..0. .0..0..0. .1..1..0. .0..1..0
..0..0..1. .1..1..1. .1..1..1. .0..0..1. .1..1..1. .0..1..1. .1..1..1
..0..0..1. .1..1..0. .1..0..0. .0..0..1. .0..1..0. .1..0..0. .0..1..1
..0..1..1. .0..0..0. .0..0..0. .1..1..1. .0..0..1. .0..1..1. .0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 08 2018
STATUS
approved