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 A374359 #16 Jul 08 2024 06:24:22
%S A374359 2,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
%T A374359 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
%U A374359 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5
%N A374359 a(1) = 2, a(n) = 5 for n > 1.
%C A374359 Decimal expansion of 23/9, which is an approximation of the 5th root of 109 (A374357).
%C A374359 Simple continued fraction expansion of (1 + sqrt(29))/14 = (1 + A010484)/14.
%H A374359 Greg Martin and Winnie Miao, <a href="https://arxiv.org/abs/1409.2974">abc triples</a>, arXiv:1409.2974 [math.NT], 2014. See p. 5.
%H A374359 <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (1).
%F A374359 G.f.: x*(2 + 3*x)/(1 - x).
%F A374359 a(n) = a(n-1) for n > 2.
%F A374359 E.g.f.: 5*exp(x) - 3*x - 5.
%e A374359 2.555555555555555555555555555555555555555...
%t A374359 LinearRecurrence[{1},{2,5},100]
%Y A374359 Cf. A374357 (decimal expansion of the 5th root of 109), A374358 (continued fraction of the 5th root of 109).
%Y A374359 Cf. A010484.
%Y A374359 Essentially the same as A021022 and A010716.
%K A374359 nonn,cofr,cons,easy,less
%O A374359 1,1
%A A374359 _Stefano Spezia_, Jul 06 2024