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 A090143 #17 Feb 28 2025 15:13:44 %S A090143 6,6,6,6,5,6,5,6,3,9,5,5,5,8,8,9,9,0,4,1,4,7,8,1,8,4,6,9,1,0,8,0,3,3, %T A090143 5,1,9,5,0,5,9,0,0,2,4,4,3,0,0,4,3,5,2,8,3,6,8,8,1,6,2,3,9,8,5,1,5,7, %U A090143 3,6,6,0,1,1,1,0,6,3,2,0,0,1,7,2,1,5,6,3,2,7,9,3,5,7,3,5,7,3,2,6,3,1 %N A090143 Decimal expansion of e^3 - 2e^2 + e/2. %C A090143 Expected number of picks from a uniform [0,1] needed to first exceed a sum of 3. %H A090143 Daniel Mondot, <a href="/A090143/b090143.txt">Table of n, a(n) for n = 1..10000</a> %H A090143 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/UniformSumDistribution.html">Uniform Sum Distribution</a> %H A090143 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %e A090143 6.6665656395558899... %t A090143 RealDigits[E^3-2E^2+E/2,10,120][[1]] (* _Harvey P. Dale_, Sep 30 2015 *) %o A090143 (PARI) exp(3)-2*exp(2)+exp(1)/2 \\ _Charles R Greathouse IV_, Oct 02 2022 %Y A090143 Cf. A001113, A090142, A089139, A090611, A379601. %K A090143 nonn,cons,easy %O A090143 1,1 %A A090143 _Eric W. Weisstein_, Nov 22 2003