OFFSET
1,1
COMMENTS
Column 3 of A300888.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-2) +7*a(n-3) +6*a(n-4) -15*a(n-5) -47*a(n-6) -47*a(n-7) +5*a(n-8) +102*a(n-9) +86*a(n-10) +23*a(n-12) +28*a(n-13) -51*a(n-14) -119*a(n-15) -24*a(n-16) +111*a(n-17) +69*a(n-18) -21*a(n-19) -27*a(n-20) -6*a(n-21) for n>25
EXAMPLE
Some solutions for n=5
..0..1..0. .0..0..0. .0..0..0. .0..0..0. .0..1..1. .0..0..1. .0..1..1
..0..0..1. .1..0..0. .1..0..0. .1..0..0. .1..1..1. .1..1..0. .1..1..1
..0..0..1. .0..1..0. .0..0..1. .1..0..1. .1..0..1. .0..1..0. .1..0..1
..1..0..0. .1..0..0. .0..0..1. .0..0..1. .1..1..1. .0..0..0. .1..0..0
..0..1..1. .0..1..0. .0..0..0. .0..0..0. .1..1..0. .0..0..1. .0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 14 2018
STATUS
approved