OFFSET
1,1
COMMENTS
Column 4 of A295120.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +5*a(n-2) +22*a(n-3) +43*a(n-4) +52*a(n-5) +35*a(n-6) +35*a(n-7) +21*a(n-8) +14*a(n-9) +6*a(n-10) +9*a(n-11) -7*a(n-12) -a(n-14)
EXAMPLE
Some solutions for n=7
..1..1..0..1. .0..0..0..0. .0..0..0..1. .0..1..1..0. .1..0..0..0
..0..0..0..1. .1..0..1..1. .0..0..0..1. .1..0..0..1. .1..0..0..1
..0..0..0..0. .1..0..0..0. .0..0..1..0. .1..0..0..1. .0..0..0..1
..0..0..0..0. .0..0..0..0. .0..1..1..1. .0..0..0..0. .1..1..0..0
..0..1..1..0. .1..0..0..0. .0..0..1..0. .1..1..0..0. .0..0..0..0
..0..0..0..0. .1..0..0..1. .0..0..0..1. .0..0..0..0. .0..0..0..0
..0..0..0..0. .0..0..0..1. .0..0..0..1. .0..0..1..1. .0..0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 15 2017
STATUS
approved