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=1..24.
N. J. A. Sloane, Sequences of RADD type
Cf. A117800, A118878, A119903.
Sequence in context: A000181 A047146 A084187 * A117669 A183264 A176972
Adjacent sequences: A119901 A119902 A119903 * A119905 A119906 A119907
Klaus Brockhaus, May 28 2006