OFFSET
1,1
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..20
EXAMPLE
Some solutions for n=1:
0 0 2 0 0 2 0 0 1 0 3 4 4 3 0 2 2 3 2 3 4
0 1 2 1 2 3 0 0 2 2 4 4 3 1 0 1 0 2 0 2 4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 26 2013
STATUS
approved