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 A134210 #17 Oct 11 2020 03:06:59
%S A134210 49,163,175,206,269,442,681,780,852,854,1011,1219,1223,1270,1318,1487,
%T A134210 1816,1892,2162,2238,2514,2534,2563,2721,2749,2780,2810,2874,2880,
%U A134210 2955,3170,3201,3208,3241,3254,3405,3457,3480,3486,3494,3845,3848,3939,3964,3966
%N A134210 Positions of 10 after the decimal point in the decimal expansion of Pi.
%H A134210 Harvey P. Dale, <a href="/A134210/b134210.txt">Table of n, a(n) for n = 1..2000</a>
%t A134210 SequencePosition[RealDigits[Pi,10,10000][[1]],{1,0}][[All,1]]-1 (* Requires Mathematica version 10 or later *) (* _Harvey P. Dale_, Nov 20 2016 *)
%Y A134210 Cf. A000796 (Pi).
%Y A134210 Cf. A037008, A037000, A037001, A037002, A037003, A037004, A037005, A036974, A037006, A037007, A014777.
%K A134210 nonn,base
%O A134210 1,1
%A A134210 _Artur Jasinski_, Oct 14 2007
%E A134210 More terms from _Harvey P. Dale_, Nov 20 2016