OFFSET
1,2
COMMENTS
Column 3 of A296157.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 14*a(n-3) +5*a(n-4) +7*a(n-5) -44*a(n-6) -41*a(n-7) -63*a(n-8) -11*a(n-9) -21*a(n-10) -a(n-11) -20*a(n-12) -2*a(n-13) -2*a(n-14) +4*a(n-15)
EXAMPLE
Some solutions for n=7
..0..0..0. .0..0..0. .0..0..0. .1..1..1. .1..1..0. .1..1..0. .0..0..0
..1..1..1. .1..1..0. .0..0..0. .1..1..1. .1..1..0. .1..1..0. .1..1..0
..1..1..1. .1..1..0. .1..1..1. .0..0..0. .0..0..0. .0..0..0. .1..1..0
..0..0..0. .0..0..0. .1..1..1. .0..0..0. .1..1..1. .0..0..0. .0..0..0
..0..0..0. .1..1..0. .0..0..0. .0..1..1. .1..1..1. .0..0..0. .0..0..0
..1..1..0. .1..1..0. .1..1..1. .0..1..1. .0..0..0. .0..1..1. .0..1..1
..1..1..0. .1..1..0. .1..1..1. .0..1..1. .0..0..0. .0..1..1. .0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 06 2017
STATUS
approved