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 A010539 #22 Feb 11 2025 10:02:24
%S A010539 9,3,8,0,8,3,1,5,1,9,6,4,6,8,5,9,1,0,9,1,3,1,2,6,0,2,2,7,0,8,8,9,3,2,
%T A010539 5,6,1,1,7,6,4,5,6,7,0,6,8,2,3,4,7,4,3,0,7,2,1,1,4,0,3,7,8,2,0,3,4,0,
%U A010539 4,9,2,6,5,5,0,6,4,7,9,4,4,2,9,6,4,2,3,1,1,9,2,1,2,3,0,8,6,2,7
%N A010539 Decimal expansion of square root of 88.
%C A010539 Continued fraction expansion is 9 followed by {2, 1, 1, 1, 2, 18} repeated. - _Harry J. Smith_, Jun 10 2009
%H A010539 Harry J. Smith, <a href="/A010539/b010539.txt">Table of n, a(n) for n = 1..20000</a>
%H A010539 <a href="/index/Al#algebraic_02">Index entries for algebraic numbers, degree 2</a>.
%e A010539 9.3808315196468591091312602270889325611764...
%t A010539 RealDigits[N[Sqrt[88],200]][[1]] (* _Vladimir Joseph Stephan Orlovsky_, Feb 04 2012 *)
%o A010539 (Python)
%o A010539 from math import isqrt
%o A010539 def aupton(nn): return list(map(int, str(isqrt(88 * 10**(2*nn)))))[:nn]
%o A010539 print(aupton(100)) # _Michael S. Branicky_, Sep 03 2021
%Y A010539 Cf. A010160 (continued fraction).
%K A010539 nonn,cons
%O A010539 1,1
%A A010539 _N. J. A. Sloane_