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 A134213 #10 Mar 20 2020 09:25:07
%S A134213 110,281,363,381,525,598,627,734,744,759,859,971,1076,1096,1186,1304,
%T A134213 1653,1666,1928,1967,1985,2080,2197,2311,2428,2545,2619,2677,2727,
%U A134213 2741,2752,2849,3043,3157,3466,3505,3616,3761,3794,3828,3902,4112,4213,4245,4381
%N A134213 Positions of 13 after decimal point in decimal expansion of Pi.
%H A134213 Amiram Eldar, <a href="/A134213/b134213.txt">Table of n, a(n) for n = 1..10000</a>
%t A134213 First /@ SequencePosition[RealDigits[Pi - 3, 10, 5000][[1]], {1, 3}] (* _Amiram Eldar_, Mar 20 2020 *)
%Y A134213 Cf. A000796, A037008, A037000, A037001, A037002, A037003, A037004, A037005, A036974, A037006, A037007, A014777, A050208, A134212, A134214, A134215, A134216, A134217, A134218, A134218, A134219.
%K A134213 nonn,base
%O A134213 1,1
%A A134213 _Artur Jasinski_, Oct 14 2007