OFFSET
1,1
COMMENTS
Column 4 of A268740.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 8*a(n-1) +2*a(n-2) -82*a(n-3) -49*a(n-4) +124*a(n-5) +39*a(n-6) -58*a(n-7) -6*a(n-8) +8*a(n-9) -a(n-10)
EXAMPLE
Some solutions for n=4
..0..0..1..0. .1..0..1..0. .0..0..0..0. .0..0..0..0. .0..1..0..0
..1..0..0..0. .0..0..0..0. .1..0..0..1. .1..1..0..1. .1..0..0..1
..0..1..0..1. .0..0..0..0. .1..0..1..0. .0..0..1..0. .0..0..0..1
..0..1..0..0. .1..1..0..0. .0..0..0..0. .0..0..0..0. .0..0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 12 2016
STATUS
approved