OFFSET
1,1
COMMENTS
Column 4 of A274959.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 6*a(n-1) +4*a(n-3) +13*a(n-4) -74*a(n-5) -8*a(n-6) -4*a(n-8) +8*a(n-9) for n>11
EXAMPLE
Some solutions for n=4
..0..1..1..0. .0..1..1..0. .0..1..1..2. .0..1..1..2. .0..1..1..0
..1..1..2..0. .2..2..0..0. .2..1..0..0. .2..1..0..0. .2..1..0..0
..1..2..0..1. .2..0..0..1. .2..0..0..1. .1..0..0..1. .1..0..0..1
..2..2..0..1. .1..0..2..2. .0..0..1..1. .1..0..2..2. .0..2..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 12 2016
STATUS
approved