OFFSET
1,2
COMMENTS
Column 3 of A317815.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) -a(n-2) +2*a(n-3) +2*a(n-4) -8*a(n-5) +5*a(n-6) -8*a(n-7) +9*a(n-8) -4*a(n-9) +7*a(n-10) +2*a(n-11) -4*a(n-12) -2*a(n-13) -4*a(n-14) +2*a(n-15) -a(n-16) +2*a(n-17) for n>19
EXAMPLE
All solutions for n=5
..0..1..0. .0..0..0. .0..1..0. .0..0..1. .0..1..0
..1..1..0. .0..0..0. .1..1..0. .0..1..0. .1..0..1
..0..1..1. .0..0..0. .0..1..1. .1..1..0. .0..0..1
..0..1..0. .0..0..0. .0..1..0. .0..1..1. .1..0..0
..1..0..1. .0..0..0. .1..0..0. .0..1..0. .1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 07 2018
STATUS
approved