OFFSET
1,2
COMMENTS
Row 3 of A277767.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 11*a(n-1) -a(n-2) +10*a(n-3) -648*a(n-4) -323*a(n-5) +2443*a(n-6) +9234*a(n-7) -2121*a(n-8) +1974*a(n-9) -6288*a(n-10) +2781*a(n-11) -4959*a(n-12) +757*a(n-13) -898*a(n-14) +2180*a(n-15) +116*a(n-16) +44*a(n-17) -288*a(n-18)
EXAMPLE
Some solutions for n=4
..0..1..2..0. .0..1..1..0. .0..1..2..0. .0..1..0..2. .0..1..2..1
..2..1..0..1. .2..2..2..2. .2..1..1..1. .2..2..2..1. .2..0..0..0
..0..1..2..1. .1..0..0..1. .0..1..2..0. .0..1..0..2. .0..1..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 29 2016
STATUS
approved