OFFSET
1,1
COMMENTS
Column 3 of A303513.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 3*a(n-1) +6*a(n-2) +36*a(n-3) -58*a(n-4) -116*a(n-5) -196*a(n-6) -160*a(n-7) -36*a(n-8) -240*a(n-9) -64*a(n-10) +232*a(n-11) +184*a(n-12) -64*a(n-14)
EXAMPLE
Some solutions for n=5
..0..0..0. .0..1..0. .0..1..0. .0..1..1. .0..1..0. .0..0..0. .0..1..0
..1..1..1. .0..0..1. .0..0..0. .0..1..0. .0..1..0. .1..0..1. .0..1..1
..0..0..0. .0..0..0. .0..0..1. .1..1..0. .0..0..0. .1..1..1. .0..0..1
..1..0..1. .0..1..0. .0..1..0. .0..0..1. .1..1..0. .1..0..0. .1..0..1
..0..0..0. .1..1..0. .0..1..0. .1..0..1. .1..1..0. .1..0..1. .1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 25 2018
STATUS
approved