OFFSET
1,1
COMMENTS
Column 7 of A229694.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 126*a(n-1) - 6345*a(n-2) + 165456*a(n-3) - 2474469*a(n-4) + 22918302*a(n-5) - 138045627*a(n-6) + 554666940*a(n-7) - 1494608922*a(n-8) + 2659094568*a(n-9) - 2986698420*a(n-10) + 1913187600*a(n-11) - 531441000*a(n-12) for n > 14.
EXAMPLE
Some solutions for n=3:
0 0 1 2 1 2 1 0 0 1 0 1 2 1 0 0 1 0 1 2 0
1 0 1 2 1 2 2 1 2 1 0 1 0 2 1 0 2 0 2 1 2
1 2 1 2 1 0 2 1 2 0 2 1 0 2 2 1 2 1 0 1 0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 27 2013
STATUS
approved