OFFSET
1,2
COMMENTS
Column 3 of A282560.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 10*a(n-1) -21*a(n-2) -22*a(n-3) -42*a(n-4) +270*a(n-5) -35*a(n-6) -104*a(n-7) -518*a(n-8) +572*a(n-9) -197*a(n-10) -84*a(n-11) +340*a(n-12) -156*a(n-13) -4*a(n-14) +24*a(n-15) -36*a(n-16)
EXAMPLE
Some solutions for n=4
..0..1..1. .1..0..1. .0..0..0. .0..0..0. .1..1..1. .0..0..0. .0..1..1
..1..0..1. .0..0..0. .1..1..0. .1..0..0. .1..0..0. .0..0..1. .1..0..1
..1..0..0. .1..1..1. .0..1..0. .1..1..1. .0..0..0. .1..0..1. .0..0..0
..0..1..1. .1..0..0. .0..0..1. .0..0..1. .0..1..1. .1..1..0. .0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 18 2017
STATUS
approved