OFFSET
1,3
COMMENTS
Column 3 of A298444.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) +3*a(n-2) -4*a(n-3) -4*a(n-4) -2*a(n-5) +2*a(n-6) +5*a(n-7) -2*a(n-8) +6*a(n-9) -a(n-10) -a(n-11) -a(n-12) for n>13
EXAMPLE
Some solutions for n=5
..0..0..0. .0..0..1. .0..1..1. .0..1..1. .0..0..0. .0..0..1. .0..1..0
..0..0..0. .0..0..0. .1..1..1. .1..1..1. .0..0..0. .0..0..0. .1..1..1
..1..0..1. .1..0..1. .0..1..0. .1..0..1. .1..0..1. .0..1..0. .1..0..1
..0..0..0. .0..0..0. .1..1..1. .1..1..1. .0..0..0. .0..0..0. .1..1..1
..0..0..1. .0..0..1. .1..1..0. .0..1..1. .1..0..0. .1..0..0. .0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 19 2018
STATUS
approved