Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.
%I
%S 1,2,4,8,14,28,54
%N Powers of 2 written in base 12. (Next term contains a non-decimal character).
%K nonn
%O 0,2
%A _N. J. A. Sloane_.