OFFSET
1,1
COMMENTS
Column 3 of A298501.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +2*a(n-2) +6*a(n-3) -4*a(n-4) -10*a(n-5) -11*a(n-6) +5*a(n-7) +12*a(n-8) +6*a(n-9) -5*a(n-10) -a(n-11) +7*a(n-12) +3*a(n-13) -3*a(n-14) -3*a(n-15) for n>16
EXAMPLE
Some solutions for n=8
..0..1..1. .0..1..0. .0..0..1. .0..1..1. .0..1..1. .0..0..1. .0..1..1
..0..1..1. .0..1..0. .0..0..1. .0..1..1. .0..1..1. .0..0..1. .0..1..1
..0..0..1. .0..0..0. .0..1..1. .0..0..1. .0..0..1. .0..1..1. .0..0..0
..0..1..1. .0..0..0. .0..1..1. .0..0..1. .0..1..0. .1..0..1. .0..1..1
..0..1..0. .0..1..0. .0..0..1. .0..1..1. .0..0..0. .0..0..1. .0..1..1
..0..0..1. .1..0..0. .0..1..1. .0..1..1. .0..0..0. .0..1..1. .0..0..0
..0..1..1. .1..1..0. .0..0..1. .0..0..1. .0..1..0. .0..0..1. .0..1..1
..0..1..1. .1..1..0. .0..0..1. .0..0..1. .0..1..0. .0..0..1. .0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 20 2018
STATUS
approved