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 A061675 #14 Jul 01 2018 18:55:56
%S A061675 2,5,17,51,152,454,1364,4116,12469,37912,115674,354078,1087023,
%T A061675 3346090,10324775,31927163,98918331,306999516,954242372,2970046250,
%U A061675 9255121991,28870447577,90140917038,281668510339,880762642043,2755784313655,8627071301305,27019889359705
%N A061675 a(n) = floor(Pi^n + e^n).
%H A061675 Harry J. Smith, <a href="/A061675/b061675.txt">Table of n, a(n) for n = 0..200</a>
%t A061675 Array[Floor[Pi^# + E^#] &, 23, 0] (* _Michael De Vlieger_, Jul 01 2018 *)
%o A061675 (PARI) for(n=0,22,print(floor(Pi^n+exp(1)^n)))
%o A061675 (PARI) { default(realprecision, 100); e=exp(1); for (n=0, 200, write("b061675.txt", n, " ", floor(Pi^n + e^n)) ) } \\ _Harry J. Smith_, Jul 26 2009
%K A061675 easy,nonn
%O A061675 0,1
%A A061675 _Jason Earls_, Jun 26 2001