OFFSET
1,1
COMMENTS
Column 6 of A223357.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 1600*a(n-1) - 368640*a(n-2) + 21233664*a(n-3).
Empirical g.f.: 1024*x*(1 - 304*x + 18432*x^2) / (1 - 1600*x + 368640*x^2 - 21233664*x^3). - Colin Barker, Aug 19 2018
EXAMPLE
Some solutions for n=3:
0 3 0 3 4 2 0 3 0 2 0 3 0 3 0 2 5 1 0 3 0 1 0 1
0 3 0 3 0 4 0 3 0 3 0 3 0 3 0 4 2 1 0 3 0 2 5 4
0 3 0 1 2 4 0 3 0 3 5 3 0 3 0 1 3 4 0 3 0 4 5 3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 19 2013
STATUS
approved