OFFSET
1,1
COMMENTS
Column 5 of A301999.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 18*a(n-1) -141*a(n-2) +661*a(n-3) -2058*a(n-4) +4393*a(n-5) -6412*a(n-6) +6060*a(n-7) -3280*a(n-8) +640*a(n-9) +192*a(n-10) -64*a(n-11) for n>12
EXAMPLE
Some solutions for n=5
..0..0..0..0..0. .0..0..1..1..0. .0..0..1..1..1. .0..0..1..0..0
..1..1..1..1..0. .1..1..1..0..1. .0..0..0..0..1. .0..1..0..0..0
..0..0..1..0..0. .1..0..1..1..1. .1..1..1..1..0. .1..1..0..1..1
..0..1..1..1..0. .0..0..1..0..1. .0..0..0..0..0. .0..0..1..0..0
..0..0..1..0..0. .0..0..0..1..1. .1..1..0..1..1. .1..1..0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 30 2018
STATUS
approved