OFFSET
1,1
COMMENTS
Column 3 of A303525.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 4*a(n-1) -3*a(n-2) +10*a(n-3) -22*a(n-4) +6*a(n-5) -31*a(n-6) +10*a(n-7) -3*a(n-8) -14*a(n-9) -8*a(n-10) -32*a(n-11) -16*a(n-12) for n>15
EXAMPLE
Some solutions for n=5
..0..0..0. .0..1..1. .0..1..0. .0..1..0. .0..1..0. .0..0..1. .0..1..0
..0..1..0. .0..0..0. .1..1..0. .0..1..1. .0..1..1. .1..1..1. .0..0..0
..0..1..1. .0..1..0. .0..1..0. .0..1..0. .0..1..0. .1..0..1. .0..1..0
..0..1..0. .0..1..0. .0..1..0. .0..1..0. .0..0..0. .1..0..1. .0..1..0
..0..0..0. .0..0..0. .1..0..0. .0..0..0. .0..1..0. .0..1..1. .0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 25 2018
STATUS
approved