Many excellent designs for a new banner were submitted. We will use the best of them in rotation.
%I
%S 1,2,3,4,5,7,8,13,21,27,64,91,125,161,181,216,287,307,343,351,377,469,
%T 512
%N a(n) is a cube mod a(i) for all i < n.
%Y Cf. A034793.
%K nonn
%O 1,2
%A _Henry Bottomley_, May 15 2000