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 A017717 #24 Sep 08 2022 08:44:43
%S A017717 1,54,1485,27720,395010,4582116,45057474,386206920,2944827765,
%T A017717 20286591270,127805525001,743595781824,4027810484880,20448884000160,
%U A017717 97862516286480,443643407165376,1913212193400684,7877932561061640
%N A017717 Binomial coefficients C(n,53).
%H A017717 G. C. Greubel, <a href="/A017717/b017717.txt">Table of n, a(n) for n = 53..10000</a>
%F A017717 From _G. C. Greubel_, Nov 03 2018: (Start)
%F A017717 G.f.: x^53/(1-x)^54.
%F A017717 E.g.f.: x^53*exp(x)/53!. (End)
%F A017717 From _Amiram Eldar_, Dec 16 2020: (Start)
%F A017717 Sum_{n>=53} 1/a(n) = 53/52.
%F A017717 Sum_{n>=53} (-1)^(n+1)/a(n) = A001787(53)*log(2) - A242091(53)/52! = 238690780250636288*log(2) - 12818255587371480560673756439003166003 / 77476112606149917660 = 0.9821211403... (End)
%t A017717 Table[Binomial[n,53],{n,53,80}] (* _Vladimir Joseph Stephan Orlovsky_, May 16 2011 *)
%o A017717 (Sage) [binomial(n, 53) for n in range(53,71)] # _Zerinvary Lajos_, May 23 2009
%o A017717 (PARI) for(n=53, 80, print1(binomial(n,53), ", ")) \\ _G. C. Greubel_, Nov 03 2018
%o A017717 (Magma) [Binomial(n,53): n in [53..80]]; // _G. C. Greubel_, Nov 03 2018
%Y A017717 Cf. A017713, A017715, A017716, A001787, A242091.
%K A017717 nonn
%O A017717 53,2
%A A017717 _N. J. A. Sloane_