OFFSET
1,2
COMMENTS
Column 4 of A296039.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 3*a(n-1) +2*a(n-2) +25*a(n-3) -43*a(n-4) -60*a(n-5) -170*a(n-6) +105*a(n-7) +326*a(n-8) +30*a(n-9) -197*a(n-10) -2*a(n-11) +223*a(n-12) -11*a(n-13) -102*a(n-14) -2*a(n-15) +12*a(n-16) +2*a(n-17)
EXAMPLE
Some solutions for n=5
..0..0..1..0. .0..1..1..0. .1..0..1..0. .0..0..0..0. .0..0..1..0
..0..1..1..0. .1..0..0..1. .1..1..0..1. .0..0..0..0. .0..0..1..1
..0..0..0..0. .0..1..0..1. .0..0..1..0. .0..1..1..0. .0..0..1..1
..0..0..0..1. .0..0..1..0. .1..1..1..0. .1..1..1..1. .0..0..1..0
..0..0..1..1. .0..0..1..1. .1..0..0..0. .0..0..0..0. .0..1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 03 2017
STATUS
approved