OFFSET
1,2
COMMENTS
Column 3 of A304551.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-1) -3*a(n-2) -a(n-3) -18*a(n-4) -24*a(n-5) +44*a(n-6) +42*a(n-7) +52*a(n-8) +31*a(n-9) -132*a(n-10) -80*a(n-11) +48*a(n-12) -31*a(n-13) +13*a(n-14) +17*a(n-15) -82*a(n-16) -39*a(n-17) -2*a(n-19) -a(n-20) for n>21
EXAMPLE
Some solutions for n=5
..0..1..0. .0..0..1. .0..1..1. .0..1..1. .0..1..1. .0..0..0. .0..1..1
..1..1..0. .1..1..0. .1..0..0. .0..1..1. .1..0..0. .0..0..0. .0..1..1
..1..0..1. .0..0..0. .0..1..0. .1..1..1. .1..1..1. .1..1..1. .1..0..0
..0..0..0. .0..1..1. .0..0..1. .1..0..0. .1..0..0. .0..0..0. .1..0..0
..1..0..1. .1..0..0. .1..0..1. .0..1..1. .0..1..1. .0..0..0. .0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 14 2018
STATUS
approved