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 A004554 #17 Sep 08 2022 08:44:33 %S A004554 1,6,5,2,5,8,7,7,2,7,7,5,1,1,8,7,1,6,4,0,8,6,0,5,3,2,0,0,2,8,6,7,2,3, %T A004554 7,4,0,6,0,2,1,2,6,6,7,6,1,8,0,7,3,2,8,4,7,5,0,0,2,6,2,0,2,8,1,7,3,3, %U A004554 4,6,5,0,0,4,4,7,1,7,7,3,5,4,0,3,5,4,4,1,8,3,6 %N A004554 Expansion of sqrt(3) in base 9. %H A004554 G. C. Greubel, <a href="/A004554/b004554.txt">Table of n, a(n) for n = 1..10000</a> %H A004554 Jason Kimberley, <a href="/wiki/User:Jason_Kimberley/sqrt_base">Index of expansions of sqrt(d) in base b</a> %t A004554 RealDigits[Sqrt[3], 9, 100] [[1]] (* _Vincenzo Librandi_, Jan 23 2016 *) %o A004554 (Magma) Prune(Reverse(IntegerToSequence(Isqrt(3*9^300), 9))); // _Vincenzo Librandi_, Jan 23 2016 %K A004554 nonn,base,cons %O A004554 1,2 %A A004554 _N. J. A. Sloane_ %E A004554 a(64) onwards corrected and more terms from _Sean A. Irvine_, Jan 22 2016