OFFSET
1,1
COMMENTS
Row 5 of A275142.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 8*a(n-1) -27*a(n-2) +56*a(n-3) -75*a(n-4) +61*a(n-5) -28*a(n-6) +7*a(n-7) -a(n-8) for n>12
EXAMPLE
Some solutions for n=5
..0..1..2..1..0. .0..1..0..1..0. .0..1..0..1..2. .0..1..0..2..1
..0..1..2..0..1. .0..2..1..0..1. .0..2..1..2..1. .0..2..1..0..2
..2..0..1..2..0. .0..2..1..0..2. .1..2..1..0..2. .1..0..2..0..2
..1..0..1..2..0. .1..0..2..0..2. .1..0..2..1..0. .2..1..2..1..0
..1..2..0..2..0. .0..1..2..1..0. .2..1..2..1..0. .0..2..0..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 17 2016
STATUS
approved