OFFSET
1,1
COMMENTS
Column 5 of A269011.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 24*a(n-1) -198*a(n-2) +584*a(n-3) +137*a(n-4) -2864*a(n-5) +1132*a(n-6) +4336*a(n-7) -1391*a(n-8) -2280*a(n-9) +90*a(n-10) +200*a(n-11) -25*a(n-12).
EXAMPLE
Some solutions for n=4
..1..0..0..0..0. .0..0..0..0..1. .1..0..0..0..1. .0..0..0..0..1
..1..0..0..1..0. .0..1..0..1..0. .1..0..0..0..1. .0..1..0..0..1
..0..0..1..0..0. .0..1..0..0..0. .0..1..0..0..0. .0..0..0..1..0
..1..0..1..0..1. .0..1..0..0..1. .0..0..0..0..0. .0..0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 17 2016
STATUS
approved