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 A238388 #13 Jun 24 2020 05:26:51 %S A238388 3,1,2,9,5,6,4,4,3,2,9,2,5,7,2,2,1,6,1,3,6,0,8,8,7,8,6,7,6,2,9,2,1,1, %T A238388 6,8,0,1,1,7,9,3,6,9,8,7,0,9,7,0,5,0,8,2,9,8,0,8,2,0,0,7,3,7,1,2,2,1, %U A238388 1,8,2,5,3,7,1,7,2,7,9,7,9,3,4,7,6,2,5 %N A238388 Decimal expansion of x^(1/3) * y^(2/3), where x is the constant in A103647 and y is the constant in A238387. %C A238388 Occurs in a formula concerning the error in various approximations of binomial distributions. See [Prohorov]. %D A238388 Yu. V. Prohorov, Asymptotic behavior of the binomial distribution. 1961. Select. Transl. Math. Statist. and Probability, Vol. 1 pp. 87-95. Inst. Math. Statist. and Amer. Math. Soc., Providence, R.I. %H A238388 Yu. V. Prohorov, <a href="http://mi.mathnet.ru/eng/umn8214">Asymptotic behavior of the binomial distribution</a>, Uspekhi Mat. Nauk, 8:3(55) (1953), 135-142 (in Russian). See lambda p. 136. %e A238388 0.31295644329257221613608878676292116801179369870970508298082007371... %o A238388 (PARI) x = sqrt(2/Pi)*exp(-1/2); y = (1 + 4*exp(-3/2))/(3*sqrt(2*Pi)); x^(1/3) * y^(2/3) \\ _Michel Marcus_, Feb 27 2014 %Y A238388 Cf. A103647, A238387. %K A238388 nonn,cons %O A238388 0,1 %A A238388 _Eric M. Schmidt_, Feb 26 2014