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 A038829 #10 Jun 14 2024 08:47:13
%S A038829 50847534,47374753,46227250,45512275,44992411,44591145,44258984,
%T A038829 43979302,43739541,43529316,43336106,43167234,43014349,42870136,
%U A038829 42740180,42619305,42506114,42397463,42296629,42206689,42117773,42033862,41951193,41876823,41801038,41730415,41667335
%N A038829 Number of primes between n*10^9 and (n+1)*10^9.
%H A038829 Amiram Eldar, <a href="/A038829/b038829.txt">Table of n, a(n) for n = 0..1000</a>
%t A038829 Table[ PrimePi[(n+1)*10^9] - PrimePi[n*10^9], {n, 0, 20}]
%Y A038829 Cf. A038823, A038824, A038825, A038826, A038827, A038828, A038830, A038831, A038832, A080132.
%K A038829 nonn
%O A038829 0,1
%A A038829 _Jeff Burch_
%E A038829 Edited and extended by _Robert G. Wilson v_, Jan 29 2003
%E A038829 a(21)-a(26) from _Amiram Eldar_, Jun 14 2024