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 A246822 #14 Jan 17 2020 16:08:07
%S A246822 0,8,3,3,1,5,4,7,0,5,8,7,6,8,6,2,9,8,3,8,3,0,6,2,7,3,8,5,6,7,5,9,8,5,
%T A246822 7,7,3,0,6,5,8,4,9,3,7,4,6,4,0,3,9,4,1,6,4,7,4,9,4,9,5,3,4,5,2,4,0,9,
%U A246822 1,5,0,5,5,5,7,2,8,8,1,2,4,0,0,9,1,9,6,2,1,3,0,9,9,5,8,1,7,3,2,2,5,7,4
%N A246822 Decimal expansion of the expected value of the function max(x-1,0) with respect to the normal distribution (with zero mean and unit standard deviation).
%H A246822 Steven R. Finch, <a href="http://arxiv.org/abs/2001.00578">Errata and Addenda to Mathematical Constants</a>, p. 52.
%F A246822 1/sqrt(2*e*Pi) - (1/2)*erfc(1/sqrt(2)).
%F A246822 Also equals A240717*(1 - 1/A111129).
%e A246822 0.083315470587686298383062738567598577306584937464...
%t A246822 Join[{0}, RealDigits[1/Sqrt[2*E*Pi] - (1/2)*Erfc[1/Sqrt[2]], 10, 102] // First]
%o A246822 (PARI) 1/sqrt(2*exp(1)*Pi) - (1/2)*erfc(1/sqrt(2)) \\ _Michel Marcus_, Sep 04 2014
%Y A246822 Cf. A111129, A240717.
%K A246822 nonn,cons,easy
%O A246822 0,2
%A A246822 _Jean-François Alcover_, Sep 04 2014