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 A010514 #15 Feb 11 2025 14:45:00
%S A010514 7,8,1,0,2,4,9,6,7,5,9,0,6,6,5,4,3,9,4,1,2,9,7,2,2,7,3,5,7,5,9,1,0,1,
%T A010514 4,1,3,5,6,8,3,0,5,1,3,6,6,4,8,5,6,3,3,0,0,1,7,7,2,4,3,7,6,0,1,9,0,7,
%U A010514 8,5,5,8,8,9,3,6,7,2,7,0,5,4,4,2,5,4,3,3,0,5,2,2,6,7,0,0,4,8,9
%N A010514 Decimal expansion of square root of 61.
%C A010514 Continued fraction expansion is 7 followed by {1, 4, 3, 1, 2, 2, 1, 3, 4, 1, 14} repeated. - _Harry J. Smith_, Jun 07 2009
%H A010514 Harry J. Smith, <a href="/A010514/b010514.txt">Table of n, a(n) for n = 1..20000</a>
%H A010514 <a href="/index/Al#algebraic_02">Index entries for algebraic numbers, degree 2</a>.
%e A010514 7.810249675906654394129722735759101413568305136648563300177243760190785...
%t A010514 RealDigits[N[61^(1/2),200]][[1]] (* _Vladimir Joseph Stephan Orlovsky_, Jan 22 2012 *)
%o A010514 (PARI) { default(realprecision, 20080); x=sqrt(61); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010514.txt", n, " ", d)); } \\ _Harry J. Smith_, Jun 07 2009
%Y A010514 Cf. A010145 Continued fraction.
%K A010514 nonn,cons
%O A010514 1,1
%A A010514 _N. J. A. Sloane_