OFFSET
1,1
COMMENTS
Column 3 of A299682.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 4*a(n-1) -2*a(n-2) +4*a(n-3) -16*a(n-4) -13*a(n-5) +12*a(n-6) +40*a(n-7) +23*a(n-8) -37*a(n-9) +15*a(n-10) -88*a(n-11) +52*a(n-12) -48*a(n-13) +49*a(n-14) -8*a(n-15) +20*a(n-16) for n>17
EXAMPLE
Some solutions for n=5
..0..0..1. .0..0..1. .0..1..0. .0..1..0. .0..1..0. .0..1..0. .0..0..1
..0..1..1. .1..1..0. .0..1..1. .0..1..0. .0..0..0. .1..0..1. .1..1..1
..0..0..0. .0..1..1. .1..1..1. .0..1..0. .0..0..0. .0..0..1. .0..1..1
..0..0..1. .0..1..1. .0..0..1. .0..1..0. .1..0..0. .0..0..1. .0..1..1
..0..1..1. .1..0..1. .0..1..1. .0..1..0. .1..1..0. .1..0..1. .0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 16 2018
STATUS
approved