OFFSET
1,1
COMMENTS
Column 3 of A297102.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 8*a(n-1) -11*a(n-2) +20*a(n-3) -107*a(n-4) +115*a(n-5) -97*a(n-6) +458*a(n-7) -372*a(n-8) +65*a(n-9) -708*a(n-10) +408*a(n-11) +327*a(n-12) +361*a(n-13) -409*a(n-14) -68*a(n-15) -49*a(n-16) +10*a(n-17) +45*a(n-18) -12*a(n-19) +14*a(n-20)
EXAMPLE
Some solutions for n=6
..0..1..0. .0..1..1. .1..0..1. .0..0..1. .1..0..1. .0..1..0. .0..1..1
..0..1..0. .1..0..1. .0..0..1. .1..0..0. .0..0..1. .1..1..0. .1..0..1
..0..1..1. .1..0..0. .1..0..0. .0..0..0. .1..0..1. .0..0..0. .1..0..0
..0..0..0. .1..0..0. .0..1..1. .0..0..0. .1..1..1. .0..1..1. .0..1..1
..0..0..0. .1..0..1. .0..0..1. .0..0..0. .1..0..1. .0..1..0. .1..0..0
..0..0..1. .0..0..1. .1..0..0. .1..1..1. .0..1..0. .0..1..0. .0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 25 2017
STATUS
approved