OFFSET
1,2
COMMENTS
Column 3 of A300923.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) +11*a(n-2) +a(n-3) -17*a(n-4) -46*a(n-5) -68*a(n-6) -42*a(n-7) +4*a(n-8) +43*a(n-9) +28*a(n-10) -34*a(n-11) -12*a(n-12) +8*a(n-13) +46*a(n-14) +22*a(n-15) +15*a(n-16) -2*a(n-17) -2*a(n-18) -3*a(n-19) -a(n-21) for n>22
EXAMPLE
Some solutions for n=5
..0..0..1. .0..1..1. .0..1..0. .0..0..0. .0..0..1. .0..0..0. .0..0..0
..0..0..0. .1..1..1. .1..1..1. .0..1..0. .0..1..1. .0..0..0. .0..0..1
..0..0..1. .0..1..0. .1..1..0. .0..0..0. .1..1..1. .1..1..0. .0..0..0
..0..0..0. .1..1..1. .0..0..0. .1..1..0. .0..1..1. .1..0..0. .1..0..0
..1..0..1. .1..1..1. .0..0..1. .1..0..0. .1..1..1. .0..0..0. .0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 15 2018
STATUS
approved