OFFSET
1,1
COMMENTS
Column 4 of A304302.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +a(n-2) +5*a(n-3) -2*a(n-4) +2*a(n-5) -8*a(n-6) -2*a(n-7) -a(n-8) -4*a(n-9) -a(n-10) -2*a(n-12) -a(n-13) -a(n-14) -a(n-15) for n>19
EXAMPLE
Some solutions for n=5
..0..0..0..0. .0..0..0..0. .0..0..1..0. .0..1..0..0. .0..0..0..0
..1..0..0..1. .1..0..0..1. .1..0..0..0. .0..0..0..1. .1..0..0..1
..0..0..0..0. .0..0..0..0. .0..0..0..0. .0..0..0..0. .0..0..0..0
..0..0..0..1. .1..0..0..0. .1..0..0..1. .1..0..0..1. .1..0..0..1
..0..1..0..0. .0..0..1..0. .0..0..0..0. .0..0..0..0. .0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 10 2018
STATUS
approved