OFFSET
1,2
COMMENTS
Column 3 of A278177.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-1) +11*a(n-2) -22*a(n-3) -31*a(n-4) +32*a(n-5) +47*a(n-6) +22*a(n-7) -17*a(n-8) -77*a(n-9) -73*a(n-10) -52*a(n-11) -37*a(n-12) -8*a(n-13) -a(n-14) +2*a(n-16) for n>18
EXAMPLE
Some solutions for n=4
..0..1..1. .0..0..0. .0..0..0. .0..1..0. .0..1..0. .0..0..0. .0..0..0
..0..0..0. .1..0..1. .1..1..0. .0..1..0. .0..1..0. .1..1..1. .1..1..1
..1..1..1. .1..0..1. .0..1..1. .0..0..0. .0..1..1. .1..0..1. .1..0..1
..0..0..0. .0..0..0. .0..0..1. .1..1..1. .0..0..1. .1..0..0. .0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 13 2016
STATUS
approved