Many excellent designs for a new banner were submitted. We will use the best of them in rotation.
1,1
Table of n, a(n) for n=1..6.
Marissa Mayer, What comes next in this series? 13, 33, 53, 61, 37, 28, ...
Sequence in context: A206345 A213686 A050659 * A146052 A082109 A024839
Adjacent sequences: A123158 A123159 A123160 * A123162 A123163 A123164
nonn
N. J. A. Sloane, based on a suggestion from Olivier Gérard, Jul 09 2008
approved
