OFFSET
1,1
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 3*a(n-1) + 13*a(n-2) - 39*a(n-3) - 40*a(n-4) + 120*a(n-5).
Empirical g.f.: 2*x*(35 - 511*x^2 + 1800*x^4) / ((1 - 3*x)*(1 - 5*x^2)*(1 - 8*x^2)). - Colin Barker, Oct 18 2018
EXAMPLE
Some solutions for n=5:
0 3 4 0 5 2 4 1 5 3 4 0 1 4 2 0 4 0 4 2
4 1 3 5 2 5 0 3 1 5 3 5 5 2 1 5 1 3 1 5
1 4 5 1 5 2 5 2 4 2 4 0 0 3 5 3 4 0 5 3
3 0 2 4 2 5 0 3 0 4 2 4 5 2 1 5 2 4 1 5
2 5 5 1 3 0 5 2 4 2 5 1 1 4 4 2 4 0 4 2
3 0 0 2 1 4 1 4 0 4 2 4 3 0 0 4 1 3 0 4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 05 2014
STATUS
approved