OFFSET
1,2
COMMENTS
Row 3 of A297224.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +2*a(n-2) +8*a(n-3) +6*a(n-4) +4*a(n-5) -6*a(n-6) -8*a(n-7) -8*a(n-8) +10*a(n-9) +4*a(n-10) -2*a(n-11) -3*a(n-12) +a(n-13)
EXAMPLE
Some solutions for n=7
..0..1..0..1..1..0..0. .1..1..0..0..0..0..0. .0..0..0..0..0..0..0
..1..0..0..0..0..1..1. .0..0..0..1..1..0..0. .0..0..0..0..0..0..0
..1..1..0..0..0..0..0. .1..1..0..0..1..1..0. .1..1..0..0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 27 2017
STATUS
approved