OFFSET
1,2
COMMENTS
Column 4 of A298100.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-2) +8*a(n-3) +2*a(n-4) -15*a(n-5) -23*a(n-6) -22*a(n-7) -9*a(n-8) +5*a(n-9) +20*a(n-10) +24*a(n-11) +23*a(n-12) +8*a(n-13) -3*a(n-14) -4*a(n-15) -2*a(n-16)
EXAMPLE
Some solutions for n=7
..0..0..1..1. .0..0..1..1. .0..0..1..1. .0..0..1..1. .0..0..1..1
..0..0..1..1. .0..0..1..1. .0..0..1..1. .0..0..1..1. .0..0..1..1
..1..1..1..1. .0..0..1..1. .0..0..0..1. .1..1..0..0. .0..0..1..1
..1..1..0..0. .0..1..1..1. .0..0..1..1. .1..1..0..0. .1..1..0..0
..1..1..0..0. .1..0..0..0. .0..1..1..1. .0..0..1..1. .1..1..0..0
..0..0..1..1. .1..1..0..0. .0..0..1..1. .0..0..1..1. .1..1..0..0
..0..0..1..1. .1..1..0..0. .0..0..1..1. .0..0..1..1. .1..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 12 2018
STATUS
approved