%I A074382
%S A074382 2,6,4,2,6,2,12,2,12,30,18,24,10,14,32,22,12,14,10,30,12,30,44,40,54
%N A074382 Difference between (1+3^n)-th and (3^n)-th primes.
%F A074382 a(n)=p[1+3^n]-p[3^n]
%e A074382 n=25: a(25)=54 because the 847288609443rd prime is 25270000074757 and 
               the 847288609444th prime is 25270000074811.
%Y A074382 Cf. A074325, A038833.
%Y A074382 Sequence in context: A004600 A021795 A008904 this_sequence A061350 A046276 
               A003571
%Y A074382 Adjacent sequences: A074379 A074380 A074381 this_sequence A074383 A074384 
               A074385
%K A074382 hard,more,nonn
%O A074382 1,1
%A A074382 Labos E. (labos(AT)ana.sote.hu), Aug 22 2002