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 A038825 #14 Mar 21 2021 12:56:25
%S A038825 9592,8392,8013,7863,7678,7560,7445,7408,7323,7224,7216,7224,7083,
%T A038825 7105,7029,6972,7014,6931,6957,6904,6872,6857,6849,6791,6770,6808,
%U A038825 6765,6717,6747,6707,6676,6717,6691,6639,6611,6576,6671,6590,6624,6535,6628,6540
%N A038825 Number of primes between n*100000 and (n+1)*100000.
%H A038825 Jon E. Schoenfield, <a href="/A038825/b038825.txt">Table of n, a(n) for n = 0..9999</a> (first 1001 terms from Harvey P. Dale)
%t A038825 Table[PrimePi[(n+1)*10^5] - PrimePi[n*10^5], {n, 0, 41}]
%t A038825 #[[2]]-#[[1]]&/@Partition[PrimePi[Range[0,50]10^5],2,1] (* _Harvey P. Dale_, Mar 23 2017 *)
%Y A038825 Cf. A038823, A038824, A038826, A038827, A038828, A038829, A038830, A038831, A038832, A080132.
%K A038825 nonn
%O A038825 0,1
%A A038825 _Jeff Burch_
%E A038825 Edited and extended by _Robert G. Wilson v_, Jan 29 2003