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 A004589 #21 Sep 08 2022 08:44:33 %S A004589 3,0,5,5,0,1,5,1,2,0,5,3,2,1,0,3,1,4,4,3,1,3,0,2,5,4,4,5,1,2,0,1,3,3, %T A004589 1,0,1,1,4,3,0,2,2,4,0,0,0,2,0,5,1,4,4,2,1,0,4,1,5,4,0,4,5,2,1,5,2,0, %U A004589 1,4,0,0,1,3,0,2,2,5,5,1,3,3,1,5,2,3,1,0,5,2,0,0,0,4,4,3,5,1,2 %N A004589 Expansion of sqrt(10) in base 6. %H A004589 G. C. Greubel, <a href="/A004589/b004589.txt">Table of n, a(n) for n = 1..10000</a> %H A004589 Jason Kimberley, <a href="/wiki/User:Jason_Kimberley/sqrt_base">Index of expansions of sqrt(d) in base b</a> %e A004589 3.0550151205321... %t A004589 RealDigits[Sqrt[10], 6, 108][[1]] (* _Alonso del Arte_, Jul 31 2014 *) %o A004589 (Magma) Prune(Reverse(IntegerToSequence(Isqrt(10*6^400), 6))); // _Vincenzo Librandi_, Jan 23 2016 %Y A004589 Cf. A010467. %K A004589 nonn,base,cons %O A004589 1,1 %A A004589 _N. J. A. Sloane_ %E A004589 a(79) onwards corrected by _Sean A. Irvine_, Jan 22 2016