%I A074901
%S A074901 0,2,4,6,8,9,12,26,27,34,38,48,54,60,96,150,168,180,420,438,462,468,
%T A074901 522,540,570,828,1320,1782,2130,2142,2280
%N A074901 Increasingly larger bases required for composite numbers to become prime 
               by base reversal (A075243).
%Y A074901 Cf. A075243.
%Y A074901 Sequence in context: A118363 A146982 A090958 this_sequence A125990 A080223 
               A156759
%Y A074901 Adjacent sequences: A074898 A074899 A074900 this_sequence A074902 A074903 
               A074904
%K A074901 base,hard,nonn
%O A074901 1,2
%A A074901 Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 16 2002