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 A228239 #27 Sep 14 2017 20:17:47
%S A228239 2,1,1,1,2,8,1,6,2,3,4,5,9,0,4,3,2,3,5,3,6,0,2,4,3,3,7,1,2,5,2,5,0,2,
%T A228239 4,8,4,1,5,7,1,4,7,0,9,3,3,7,5,1,0,5,5,2,0,9,6,4,9,4,4,5,2,2,3,0,4,0,
%U A228239 1,6,4,0,0,2,5,3,2,0,7,5,9,4,5,2,1,0,3
%N A228239 Smaller of corresponding digits of Pi and e.
%H A228239 Alois P. Heinz, <a href="/A228239/b228239.txt">Table of n, a(n) for n = 1..10000</a> (first 1000 digits from Harvey P. Dale)
%e A228239 1st digit of Pi and e are 3 and 2, so a(1) = min(3,2) = 2.
%e A228239 2nd digit of Pi and e are 1 and 7, so a(2) = min(1,7) = 1.
%e A228239 3rd digit of Pi and e are 4 and 1, so a(3) = min(4,1) = 1.
%e A228239 2.1112816234590432353602433712525024841571470933751...
%t A228239 With[{nn=90},Min[#]&/@Thread[{RealDigits[Pi,10,nn][[1]],RealDigits[ E,10,nn][[1]]}]] (* _Harvey P. Dale_, Oct 24 2015 *)
%Y A228239 Cf. A000796, A001113, A231325.
%K A228239 nonn,cons,base
%O A228239 1,1
%A A228239 _Umut Uludag_, Nov 07 2013