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 A368617 #27 Aug 30 2024 11:14:24 %S A368617 2,7,1,8,2,6,6,2,5,3,8,6,9,9,6,9,0,4,0,2,4,7,6,7,8,0,1,8,5,7,5,8,5,1, %T A368617 3,9,3,1,8,8,8,5,4,4,8,9,1,6,4,0,8,6,6,8,7,3,0,6,5,0,1,5,4,7,9,8,7,6, %U A368617 1,6,0,9,9,0,7,1,2,0,7,4,3,0,3,4,0,5,5,7 %N A368617 Decimal expansion of 878/323. %C A368617 Using the criterion of the minimum absolute difference, it is the closest rational approximation of e (cf. A001113) using integers below 1000 (see Maor). %C A368617 The numerator and the denominator of 878/323 are palindromes in base 10 (cf. A002113). %C A368617 It has period 144. %D A368617 Eli Maor, e: The Story of a Number. Princeton, New Jersey: Princeton University Press (1994), p. 37. %D A368617 David Wells, The Penguin Dictionary of Curious and Interesting Numbers. Penguin Books, NY, 1986, Revised edition 1987. See p. 46. %H A368617 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 A368617 <a href="/index/Ea">Index entries for sequences related to the number e</a>. %H A368617 <a href="/index/Rec#order_143">Index entries for linear recurrences with constant coefficients</a>, order 143. %F A368617 Equals A368618(3)/A368619(3) = A368620(3)/A368621(3). %e A368617 2.7182662538699690402476780... %t A368617 Flatten[First[RealDigits[878/323,10]]] %Y A368617 Cf. A001113, A002113, A007676, A007677, A368653, A368654, A368656. %Y A368617 Cf. A368618, A368619, A368620, A368621. %K A368617 nonn,cons,easy %O A368617 1,1 %A A368617 _Stefano Spezia_, Jan 01 2024