OFFSET
1,2
COMMENTS
Column 3 of A317376.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 3*a(n-1) +12*a(n-2) +15*a(n-3) -42*a(n-4) -28*a(n-5) +16*a(n-6) +4*a(n-7) -41*a(n-8) -5*a(n-9) +66*a(n-10) +45*a(n-11) -2*a(n-12) -50*a(n-13) -12*a(n-14) +12*a(n-15) for n>16
EXAMPLE
Some solutions for n=5
..0..0..1. .0..0..1. .0..1..0. .0..1..0. .0..0..1. .0..0..0. .0..1..1
..1..0..1. .1..0..0. .1..1..1. .1..1..1. .1..1..1. .0..1..0. .0..0..1
..1..0..0. .0..1..0. .1..0..1. .1..0..1. .0..0..1. .1..0..0. .1..1..1
..0..0..1. .0..0..0. .1..0..1. .1..1..1. .1..0..1. .1..0..1. .1..0..0
..0..1..0. .1..1..0. .0..0..0. .0..0..0. .1..1..1. .1..1..1. .1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 26 2018
STATUS
approved