OFFSET
1,1
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 10*a(n-1) +59*a(n-2) -768*a(n-3) +608*a(n-4) +7580*a(n-5) -11628*a(n-6) -18088*a(n-7) +32880*a(n-8) +3232*a(n-9) -17600*a(n-10) +4224*a(n-11).
EXAMPLE
Some solutions for n=3:
3 2 2 0 0 1 3 2 1 1 1 0 2 2 3 1 3 2 2 2 0
0 0 1 1 2 2 1 1 1 2 3 3 0 1 1 1 2 0 2 1 0
2 3 3 2 2 3 2 1 0 2 2 3 0 2 1 2 2 1 3 3 3
0 0 1 0 1 1 3 3 1 3 2 2 0 3 3 3 2 2 2 3 2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 23 2013
STATUS
approved