OFFSET
1,2
COMMENTS
Column 3 of A299554.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-1) +6*a(n-2) -28*a(n-3) -27*a(n-4) +62*a(n-5) +16*a(n-6) -89*a(n-7) +49*a(n-8) +72*a(n-9) -56*a(n-10) +5*a(n-11) +10*a(n-12) -8*a(n-13) for n>15
EXAMPLE
Some solutions for n=5
..0..0..0. .0..0..0. .0..0..0. .0..0..0. .0..0..0. .0..0..0. .0..1..1
..0..0..0. .0..0..0. .0..0..0. .0..0..0. .0..0..0. .0..0..1. .0..0..1
..0..0..0. .0..0..0. .0..0..0. .0..0..0. .1..1..1. .1..1..1. .1..1..1
..1..0..1. .1..1..0. .1..1..1. .0..1..1. .1..1..1. .1..1..1. .1..1..1
..1..1..1. .1..0..0. .1..1..1. .1..1..1. .1..1..1. .1..1..1. .1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 12 2018
STATUS
approved