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 A038824 #10 Oct 21 2024 15:30:45
%S A038824 1229,1033,983,958,930,924,878,902,876,879,861,848,858,851,838,835,
%T A038824 814,845,828,814,823,811,819,784,823,793,805,790,792,773,803,808,796,
%U A038824 778,795,780,765,778,767,793,754,776,772,779,765,752,765,782,761,772,753
%N A038824 Number of primes between n*10000 and (n+1)*10000.
%H A038824 Jon E. Schoenfield, <a href="/A038824/b038824.txt">Table of n, a(n) for n = 0..9999</a>
%t A038824 Table[PrimePi[(n+1)*10^4] - PrimePi[n*10^4], {n, 0, 50}]
%t A038824 Differences[PrimePi[10000*Range[0,51]]] (* _Harvey P. Dale_, Oct 21 2024 *)
%Y A038824 Cf. A038823, A038825, A038826, A038827, A038828, A038829, A038830, A038831, A038832, A080132.
%K A038824 nonn
%O A038824 0,1
%A A038824 _Jeff Burch_
%E A038824 Edited, corrected and extended by _Robert G. Wilson v_, Jan 29 2003