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 A010478 #18 Aug 21 2023 12:33:16
%S A010478 4,6,9,0,4,1,5,7,5,9,8,2,3,4,2,9,5,5,4,5,6,5,6,3,0,1,1,3,5,4,4,4,6,6,
%T A010478 2,8,0,5,8,8,2,2,8,3,5,3,4,1,1,7,3,7,1,5,3,6,0,5,7,0,1,8,9,1,0,1,7,0,
%U A010478 2,4,6,3,2,7,5,3,2,3,9,7,2,1,4,8,2,1,1,5,5,9,6,0,6,1,5,4,3,1,3
%N A010478 Decimal expansion of square root of 22.
%C A010478 Continued fraction expansion is 4 followed by {1, 2, 4, 2, 1, 8} repeated (A010126). - _Harry J. Smith_, Jun 03 2009
%H A010478 Harry J. Smith, <a href="/A010478/b010478.txt">Table of n, a(n) for n = 1..20000</a>
%H A010478 <a href="/index/Al#algebraic_02">Index entries for algebraic numbers, degree 2</a>
%e A010478 4.690415759823429554565630113544466280588228353411737153605701891017024....
%t A010478 RealDigits[N[Sqrt[22],200]][[1]] (* _Vladimir Joseph Stephan Orlovsky_, Feb 22 2011 *)
%o A010478 (PARI) default(realprecision, 20080); x=sqrt(22); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010478.txt", n, " ", d)); \\ _Harry J. Smith_, Jun 03 2009
%Y A010478 Cf. A010126 (continued fraction), A248250 (Egyptian fraction), A020779 (reciprocal).
%K A010478 nonn,cons,easy
%O A010478 1,1
%A A010478 _N. J. A. Sloane_