OFFSET
1,1
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 55*a(n-2) -725*a(n-4) +3663*a(n-6) -7525*a(n-8) +6335*a(n-10) -1805*a(n-12).
EXAMPLE
Some solutions for n=4:
0 2 5 4 5 7 1 0 7 5 5 2 4 0 4 7 1 3 3 1
4 7 7 5 0 3 6 4 2 1 2 0 6 3 3 5 0 1 7 6
1 5 4 3 4 6 3 0 6 4 5 2 2 0 6 7 2 4 2 0
3 6 7 5 1 4 7 3 3 2 2 0 3 2 1 3 0 1 7 4
1 5 5 2 2 6 5 2 6 4 7 6 6 4 4 7 3 5 6 2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 01 2014
STATUS
approved