Many excellent designs for a new banner were submitted. We will use the best of them in rotation.
Table of n, a(n) for n=0..21.
Sequence in context: A106241 A153991 A153994 * A153997 A154000 A154003
Adjacent sequences: A102861 A102862 A102863 * A102865 A102866 A102867
N. J. A. Sloane, Mar 17 2005