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 A368653 #29 Feb 23 2024 13:08:34 %S A368653 2,7,1,8,2,8,9,4,9,8,2,2,7,9,4,2,5,4,8,0,3,2,0,8,3,5,6,6,4,9,8,7,8,7, %T A368653 5,3,9,6,3,8,1,2,7,2,1,5,0,7,1,8,1,4,9,5,9,8,9,5,5,4,1,8,7,6,5,1,5,5, %U A368653 7,5,4,5,2,3,4,0,9,8,1,1,6,0,2,3,1,3,0,0 %N A368653 Decimal expansion of 58291/21444. %C A368653 It is a rational approximation of e having an error less than 0.0003% provided by Charles Hermite in 1874 (see Hermite and Maor), where the error is calculated by abs(58291/21444-e)/e and expressed in percent. %C A368653 Periodic with a period length of 893. - _Ray Chandler_, Jan 19 2024 %D A368653 Eli Maor, e: The Story of a Number. Princeton, New Jersey: Princeton University Press (1994), p. 189. %H A368653 Philip R. Brown, <a href="https://doi.org/10.1080/0020739X.2017.1352043">Approximations of e and Pi: an exploration</a>, International Journal of Mathematical Education in Science and Technology, 48:sup1, S30-S39, 2017. See p. S32. %H A368653 Charles Hermite, <a href="https://archive.org/details/13Hermite/page/n29/mode/2up">Sur la fonction exponentielle</a>, Gauthier-Villars, Paris, 1874. %H A368653 <a href="/index/Ea">Index entries for sequences related to the number e</a> %H A368653 <a href="/index/Rec#order_893">Index entries for linear recurrences with constant coefficients</a>, order 893. %e A368653 2.7182894982279425480320835664987875396381272... %t A368653 Flatten[First[RealDigits[58291/21444,10,100]]] %Y A368653 Cf. A001113, A007676, A007677, A368617, A368654, A368656. %K A368653 nonn,cons,easy %O A368653 1,1 %A A368653 _Stefano Spezia_, Jan 02 2024