OFFSET
1,1
COMMENTS
Row 2 of A301884.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) +a(n-3) -a(n-4) -2*a(n-6) +a(n-7)
EXAMPLE
Some solutions for n=5
..0..1..1..0..1. .0..1..1..0..1. .0..1..1..0..1. .0..1..0..0..1
..0..0..1..0..1. .0..0..1..0..0. .0..0..1..1..1. .0..1..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 28 2018
STATUS
approved