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 A095021 #13 Jun 12 2024 03:50:52 %S A095021 0,0,1,1,2,2,7,9,19,33,64,115,216,402,754,1434,2669,5116,9651,18382, %T A095021 35064,67056,128394,246349,473469,911468,1757069,3389718,6551877, %U A095021 12674065,24546590,47581820,92330910,179317301,348546007,678027180,1319932246,2571422948 %N A095021 Number of 5k+1 primes (A030430) in range [2^n,2^(n+1)]. %H A095021 Antti Karttunen and John Moyer, <a href="/A095062/a095062.c.txt">C-program for computing the initial terms of this sequence</a>. %H A095021 <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 A095021 Cf. A030430, A036378. %K A095021 nonn %O A095021 1,5 %A A095021 _Antti Karttunen_, Jun 01 2004 %E A095021 a(34)-a(38) from _Amiram Eldar_, Jun 12 2024