OFFSET
1,2
COMMENTS
Column 3 of A299561.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-1) -5*a(n-2) -5*a(n-3) -2*a(n-4) +20*a(n-5) +9*a(n-6) -39*a(n-7) +18*a(n-8) -10*a(n-9) -41*a(n-10) +83*a(n-11) +26*a(n-12) -44*a(n-13) +7*a(n-14) -9*a(n-15) -17*a(n-16) -3*a(n-17) +6*a(n-18) +2*a(n-19) for n>20
EXAMPLE
Some solutions for n=5
..0..0..0. .0..0..1. .0..0..1. .0..1..0. .0..0..0. .0..1..0. .0..0..1
..0..0..0. .1..0..0. .1..0..0. .0..0..0. .1..0..1. .0..0..0. .1..0..0
..1..1..1. .0..0..1. .0..0..1. .1..0..1. .1..1..1. .1..1..0. .1..1..1
..1..1..1. .1..1..1. .1..0..0. .1..1..1. .0..0..1. .0..1..1. .1..0..1
..1..1..1. .1..0..1. .0..0..1. .0..1..0. .1..0..0. .1..1..0. .0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 12 2018
STATUS
approved