OFFSET
1,2
COMMENTS
Column 3 of A278014.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 16*a(n-1) +19*a(n-2) -38*a(n-3) +57*a(n-4) -146*a(n-5) +201*a(n-6) -264*a(n-7) -36*a(n-8) +144*a(n-9)
EXAMPLE
Some solutions for n=4
..0..2..1. .0..0..1. .0..1..0. .0..2..2. .0..1..0. .0..1..2. .0..2..1
..1..2..1. .1..2..2. .1..2..2. .1..1..0. .0..2..1. .0..1..0. .1..0..1
..1..1..1. .1..0..0. .2..0..1. .1..0..0. .0..0..1. .1..0..2. .2..2..1
..0..2..0. .1..2..1. .1..1..2. .2..1..2. .1..2..2. .2..0..2. .0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 08 2016
STATUS
approved