OFFSET
1,1
COMMENTS
Column 3 of A296739.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 4*a(n-1) +3*a(n-2) +14*a(n-3) -42*a(n-4) -56*a(n-5) -51*a(n-6) +118*a(n-7) +189*a(n-8) +60*a(n-9) -114*a(n-10) -187*a(n-11) -25*a(n-12) +82*a(n-13) +33*a(n-14) -12*a(n-15) -4*a(n-16)
EXAMPLE
Some solutions for n=5
..1..1..0. .0..0..0. .0..0..0. .0..1..0. .0..1..0. .1..1..0. .0..1..0
..1..0..0. .1..0..0. .0..0..0. .1..0..0. .1..0..0. .0..0..0. .1..0..0
..1..1..1. .0..1..0. .0..0..0. .1..0..0. .1..0..1. .0..0..1. .0..0..0
..0..0..1. .1..0..0. .1..0..1. .0..1..0. .0..1..0. .0..1..0. .0..1..1
..0..0..0. .0..1..1. .1..1..1. .0..0..0. .0..1..1. .0..0..0. .1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 19 2017
STATUS
approved