OFFSET
1,1
COMMENTS
Column 6 of A224133.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 7*a(n-1) - 14*a(n-2) + 9*a(n-3) + 4*a(n-5) + 16*a(n-6).
Empirical g.f.: x*(7 + 24*x^2 + 19*x^3 + 20*x^4 + 16*x^5) / (1 - 7*x + 14*x^2 - 9*x^3 - 4*x^5 - 16*x^6). - Colin Barker, Aug 27 2018
EXAMPLE
Some solutions for n=3:
..1..1..1..1..1..1....1..1..1..1..1..1....0..0..0..0..1..1....0..0..0..0..1..1
..0..1..1..1..1..1....0..1..1..1..1..1....0..0..0..1..1..1....0..0..0..0..1..1
..0..0..0..0..1..1....0..1..1..1..1..1....0..1..1..1..1..1....0..0..0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 31 2013
STATUS
approved