OFFSET
1,1
COMMENTS
Column 4 of A316740.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 3*a(n-1) +6*a(n-3) -31*a(n-4) +6*a(n-5) +10*a(n-6) +73*a(n-7) -15*a(n-8) -70*a(n-9) -42*a(n-10) -6*a(n-11) +63*a(n-12) +32*a(n-13) +12*a(n-14) -25*a(n-15) -20*a(n-16) -3*a(n-17) +4*a(n-18) +4*a(n-19) for n>24
EXAMPLE
Some solutions for n=5
..0..0..0..0. .0..0..1..1. .0..0..1..0. .0..0..1..1. .0..1..1..0
..0..1..1..0. .0..1..0..0. .1..0..1..1. .1..1..0..1. .0..0..1..0
..0..0..0..0. .0..0..0..0. .1..1..1..1. .1..1..1..1. .0..0..0..0
..0..0..1..0. .0..0..1..0. .1..1..0..1. .1..0..0..1. .0..1..1..0
..1..1..0..1. .0..1..1..0. .1..0..0..1. .0..1..1..0. .0..0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 11 2018
STATUS
approved