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 A004559 #23 Sep 08 2022 08:44:33 %S A004559 2,1,2,2,5,5,3,5,5,3,1,5,1,3,0,3,3,4,3,1,2,4,5,1,4,3,2,0,3,4,0,2,4,0, %T A004559 1,3,4,5,4,0,2,5,2,1,3,2,2,3,2,0,3,3,2,5,0,2,1,5,4,4,1,1,0,1,3,2,1,5, %U A004559 5,0,1,0,0,0,4,5,3,1,4,1,1,2,5,1,4,2,5,0,0,0,0,1,1,3,4,5,1,3,5 %N A004559 Expansion of sqrt(5) in base 6. %H A004559 Vincenzo Librandi, <a href="/A004559/b004559.txt">Table of n, a(n) for n = 1..5000</a> %H A004559 Jason Kimberley, <a href="/wiki/User:Jason_Kimberley/sqrt_base">Index of expansions of sqrt(d) in base b</a> %t A004559 RealDigits[Sqrt[5],6,120][[1]] (* _Harvey P. Dale_, Mar 24 2012 *) %o A004559 (Magma) Prune(Reverse(IntegerToSequence(Isqrt(5*6^200), 6))); // _Vincenzo Librandi_, Jan 08 2018 %Y A004559 Cf. A002163, A004555, A004556, A004557, A004558. %Y A004559 Cf. A004540, A004549, A004575. %K A004559 nonn,base,cons %O A004559 1,1 %A A004559 _N. J. A. Sloane_ %E A004559 Updated by _Alois P. Heinz_ at the suggestion of Kevin Ryde, Feb 19 2012