This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A095330 #6 Mar 31 2012 14:02:23 %S A095330 1,2,2,5,7,13,23,42,71,122,241,412,789,1413,2770,4859,9545,16955, %T A095330 34039,60484,121241,216830,441223,785885,1597803,2867949,5874665, %U A095330 10544609,21636090,39034399,80414166,145210901,299284792 %N A095330 Number of A095320-primes in range ]2^n,2^(n+1)]. %C A095330 Ratios a(n)/A036378(n) converge as: 1, 1, 1, 1, 1, 1, 1, 0.976744, 0.946667, 0.890511, 0.945098, 0.887931, 0.904817, 0.876551, 0.914191, 0.851112, 0.88799, 0.831535, 0.881041, 0.82195, 0.863934, 0.808416, 0.858898, 0.797191, 0.84356, 0.786657, 0.835979, 0.777517, 0.825576, 0.769947, 0.819026, 0.76292, 0.81036 %H A095330 A. Karttunen and J. Moyer: <a href="/A095062/a095062.c.txt">C-program for computing the initial terms of this sequence</a> %H A095330 <a href="/index/Pri#primesubsetpop2">Index entries for sequences related to occurrences of various subsets of primes in range ]2^n,2^(n+1)]</a> %Y A095330 a(n) = A036378(n)-A095331(n). %K A095330 nonn %O A095330 1,2 %A A095330 _Antti Karttunen_, Jun 04 2004