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 A004588 #18 Sep 08 2022 08:44:33 %S A004588 3,0,4,0,1,2,0,2,4,3,2,3,4,1,4,2,0,3,1,1,3,2,2,1,1,2,2,0,1,2,0,0,3,2, %T A004588 3,4,4,4,4,4,2,3,4,3,3,2,4,4,2,4,0,4,4,1,4,3,0,3,1,4,4,1,2,3,3,1,3,3, %U A004588 4,2,4,2,2,2,0,4,0,3,3,3,4,1,2,1,4,2,4,3,3,0,2,3,4,4,1,4,0,3,1 %N A004588 Expansion of sqrt(10) in base 5. %H A004588 G. C. Greubel, <a href="/A004588/b004588.txt">Table of n, a(n) for n = 1..10000</a> %H A004588 Jason Kimberley, <a href="/wiki/User:Jason_Kimberley/sqrt_base">Index of expansions of sqrt(d) in base b</a> %t A004588 RealDigits[Sqrt[10], 5, 100][[1]] (* _Vincenzo Librandi_, Jan 23 2016 *) %o A004588 (Magma) Prune(Reverse(IntegerToSequence(Isqrt(10*5^400), 5))); // _Vincenzo Librandi_, Jan 23 2016 %Y A004588 Cf. A010467. %K A004588 nonn,base,cons %O A004588 1,1 %A A004588 _N. J. A. Sloane_ %E A004588 a(87) onwards corrected by _Sean A. Irvine_, Jan 22 2016