OFFSET
1,1
COMMENTS
Column 4 of A276299.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 9*a(n-1) -20*a(n-2) +17*a(n-3) -65*a(n-4) +116*a(n-5) -40*a(n-6) +124*a(n-7) -172*a(n-8) +16*a(n-9) -48*a(n-10) +64*a(n-11) for n>13
EXAMPLE
Some solutions for n=4
..0..1..0..2. .0..1..2..0. .0..1..0..1. .0..1..0..1. .0..1..0..2
..0..1..0..2. .2..1..2..0. .0..2..0..2. .0..2..0..2. .0..2..0..1
..2..1..0..1. .0..1..2..0. .1..2..0..2. .1..2..0..2. .0..1..0..1
..0..1..0..2. .2..0..2..1. .1..2..1..2. .0..2..0..1. .0..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 28 2016
STATUS
approved