OFFSET
1,2
COMMENTS
Column 3 of A318430.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 9*a(n-2) +11*a(n-3) -14*a(n-4) -32*a(n-5) -29*a(n-6) -51*a(n-7) +33*a(n-8) +116*a(n-9) +18*a(n-10) +70*a(n-11) +92*a(n-12) -22*a(n-13) -12*a(n-16) +4*a(n-17) for n>20
EXAMPLE
Some solutions for n=5
..0..1..0. .0..1..0. .0..1..1. .0..0..0. .0..1..0. .0..1..0. .0..1..0
..1..1..1. .1..1..1. .0..1..0. .1..1..0. .0..1..1. .0..1..0. .0..1..1
..0..0..0. .0..0..0. .1..1..0. .1..1..1. .1..1..1. .1..1..1. .1..0..1
..0..1..1. .0..0..1. .1..1..0. .0..0..0. .0..0..0. .0..1..1. .1..1..0
..1..1..0. .1..1..0. .0..1..0. .1..0..1. .1..0..1. .0..1..0. .0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 26 2018
STATUS
approved