OFFSET
1,1
COMMENTS
Column 3 of A317036.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) +4*a(n-2) +8*a(n-3) -13*a(n-4) -45*a(n-5) -55*a(n-6) +30*a(n-7) +163*a(n-8) +194*a(n-9) +12*a(n-10) -223*a(n-11) -209*a(n-12) -51*a(n-13) +37*a(n-14) +3*a(n-15) for n>17
EXAMPLE
Some solutions for n=5
..0..1..0. .0..0..0. .0..1..1. .0..0..0. .0..1..1. .0..1..0. .0..1..0
..0..0..0. .0..0..0. .0..1..1. .0..0..1. .0..1..1. .0..0..1. .0..0..0
..1..0..0. .1..0..0. .0..0..0. .0..0..0. .1..1..1. .0..0..0. .0..0..1
..1..0..0. .1..0..0. .0..0..0. .0..0..0. .1..1..1. .0..0..0. .0..0..1
..0..0..0. .1..1..1. .0..0..0. .0..1..1. .0..0..1. .0..0..0. .0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 19 2018
STATUS
approved