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 A368654 #20 Jan 19 2024 11:28:17 %S A368654 7,3,8,9,1,0,6,5,0,9,9,7,9,4,8,1,4,4,0,0,2,9,8,4,5,1,7,8,1,3,8,4,0,7, %T A368654 0,1,3,6,1,6,8,6,2,5,2,5,6,4,8,1,9,9,9,6,2,6,9,3,5,2,7,3,2,6,9,9,1,2, %U A368654 3,2,9,7,8,9,2,1,8,4,2,9,3,9,7,5,0,0,4,6 %N A368654 Decimal expansion of 158452/21444. %C A368654 It is a rational approximation of e^2 (A072334) provided by Charles Hermite in 1874 (see Hermite and Maor). %C A368654 Periodic with a period length of 893. - _Ray Chandler_, Jan 19 2024 %D A368654 Eli Maor, e: The Story of a Number. Princeton, New Jersey: Princeton University Press (1994), p. 189. %H A368654 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 A368654 Charles Hermite, <a href="https://archive.org/details/13Hermite/page/n29/mode/2up">Sur la fonction exponentielle</a>, Gauthier-Villars, Paris, 1874. %H A368654 <a href="/index/Ea">Index entries for sequences related to the number e</a> %H A368654 <a href="/index/Rec#order_893">Index entries for linear recurrences with constant coefficients</a>, order 893. %e A368654 7.38910650997948144002984517813840701361686... %t A368654 Flatten[First[RealDigits[158452/21444,10,100]]] %Y A368654 Cf. A001113, A007676, A007677, A072334, A368617, A368653, A368656. %K A368654 nonn,cons,easy %O A368654 1,1 %A A368654 _Stefano Spezia_, Jan 02 2024