OFFSET
1,2
COMMENTS
Column 3 of A300096.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-1) -4*a(n-2) -8*a(n-3) -5*a(n-4) +35*a(n-5) -4*a(n-6) -26*a(n-7) -10*a(n-8) -2*a(n-9) -8*a(n-10) +88*a(n-11) +78*a(n-12) -176*a(n-13) -62*a(n-14) +40*a(n-15) +24*a(n-16) +52*a(n-17) -8*a(n-18) -8*a(n-19) for n > 20.
EXAMPLE
Some solutions for n=5
..0..0..0. .0..0..1. .0..1..1. .0..0..0. .0..0..1. .0..1..1. .0..0..1
..0..0..0. .1..0..0. .1..1..0. .1..0..1. .1..0..0. .0..0..1. .0..1..1
..0..0..0. .0..0..1. .0..0..0. .1..1..1. .0..0..1. .1..0..1. .0..1..0
..0..0..0. .1..1..1. .0..1..0. .1..0..1. .1..0..0. .1..1..1. .0..0..0
..0..0..0. .1..0..1. .1..1..1. .0..0..0. .0..0..1. .1..0..1. .1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 24 2018
STATUS
approved