Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 4500 articles have referenced us, often saying "we would not have discovered this result without the OEIS".
%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_.