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 A004598 #22 Mar 26 2018 19:55:35 %S A004598 2,5,0,1,2,4,1,0,6,5,4,2,2,6,5,0,4,3,3,5,3,5,3,0,0,0,3,0,0,6,2,6,4,4, %T A004598 2,6,3,0,5,1,4,4,4,2,0,0,1,3,1,5,3,3,6,5,6,6,4,4,6,4,4,0,1,3,3,5,4,6, %U A004598 4,6,5,2,2,1,6,6,5,4,2,0,6,1,5,0,0,0,6,5,0,0,6,5,1,4,3,0,4,0,1 %N A004598 Expansion of e in base 7. %H A004598 G. C. Greubel, <a href="/A004598/b004598.txt">Table of n, a(n) for n = 1..10000</a> %t A004598 First@RealDigits[N[E, 120], 7] (* _Vincenzo Librandi_, Jan 23 2016 *) %Y A004598 Expansion of e in base b: A004593 (b=2), A004594 (b=3), A004595 (b=4), A004596 (b=5), A004597 (b=6), this sequence (b=7), A004599 (b=8), A004600 (b=9), A001113 (b=10), A170873 (b=16). - _Jason Kimberley_, Dec 05 2012 %K A004598 nonn,base,cons %O A004598 1,1 %A A004598 _N. J. A. Sloane_ %E A004598 a(72) onwards corrected by _Sean A. Irvine_, Jan 22 2016