OFFSET
1,2
COMMENTS
Column 3 of A296405.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-1) -6*a(n-2) +8*a(n-3) -10*a(n-4) +22*a(n-5) -50*a(n-6) +37*a(n-7) -59*a(n-8) -3*a(n-10) -50*a(n-11) +10*a(n-12) -36*a(n-13) -17*a(n-14) -7*a(n-15) -19*a(n-16) -7*a(n-17) -4*a(n-18) -4*a(n-19) -a(n-20)
EXAMPLE
Some solutions for n=7
..1..1..1. .0..1..1. .1..1..0. .0..1..1. .0..0..0. .0..1..0. .1..1..1
..1..0..1. .0..1..0. .1..0..0. .1..1..0. .0..0..0. .1..1..0. .1..0..1
..1..1..0. .1..0..0. .1..1..1. .0..0..0. .0..0..0. .0..1..1. .0..0..1
..0..0..0. .1..1..0. .0..1..0. .1..1..0. .1..1..1. .0..0..1. .0..1..0
..1..1..1. .0..1..1. .0..0..0. .1..1..1. .1..0..1. .0..1..1. .1..0..1
..1..0..1. .1..0..1. .0..0..0. .0..0..1. .0..1..0. .1..0..1. .1..1..1
..1..1..1. .1..1..1. .0..0..0. .0..1..1. .1..1..0. .1..1..1. .0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 11 2017
STATUS
approved