OFFSET
1,2
COMMENTS
The terms of this sequence were calculated by Hagen von EItzen.
sum{k=1 to q} a(n+1-k) obviously does equal sum{k=1 to r} a(k) for q = n = r.
CROSSREFS
KEYWORD
nonn
AUTHOR
Leroy Quet, Jun 01 2009
STATUS
approved