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 A004550 #17 Sep 08 2022 08:44:33 %S A004550 1,3,3,1,2,2,3,1,2,1,3,3,1,3,2,1,2,1,1,2,4,1,0,3,4,3,4,1,3,0,2,3,2,3, %T A004550 3,3,3,2,0,0,3,3,4,1,2,0,0,0,4,4,4,1,2,2,1,2,2,4,4,3,1,1,4,0,0,0,2,4, %U A004550 1,0,2,2,0,2,2,4,0,1,4,4,4,2,1,1,4,2,1,3,2,2,4,4,1,2,2,2,4,3,1 %N A004550 Expansion of sqrt(3) in base 5. %H A004550 G. C. Greubel, <a href="/A004550/b004550.txt">Table of n, a(n) for n = 1..10000</a> %H A004550 Jason Kimberley, <a href="/wiki/User:Jason_Kimberley/sqrt_base">Index of expansions of sqrt(d) in base b</a> %t A004550 RealDigits[Sqrt[3], 5, 100][[1]] (* _Vincenzo Librandi_, Jan 23 2016 *) %o A004550 (Magma) Prune(Reverse(IntegerToSequence(Isqrt(3*5^400), 5))); // _Vincenzo Librandi_, Jan 23 2016 %K A004550 nonn,base,cons %O A004550 1,2 %A A004550 _N. J. A. Sloane_ %E A004550 a(87) onwards corrected by _Sean A. Irvine_, Jan 22 2016