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 A379853 #8 Feb 16 2025 08:34:07 %S A379853 3,1,7,3,1,0,5,0,7,8,6,2,9,1,4,1,0,2,8,2,9,5,3,4,9,0,8,7,3,5,9,2,4,1, %T A379853 5,5,0,4,4,1,7,4,0,6,6,5,4,6,7,9,1,2,1,8,0,2,5,2,1,1,0,9,9,5,1,4,0,1, %U A379853 7,1,1,6,0,2,5,5,9,0,3,4,0,9,9,8,2,3,0,1,6,3,1,8,8,7,2,1,3,4,4,9 %N A379853 Decimal expansion of the fraction of a population falling beyond +- 1 standard deviation of the mean, assuming a normal distribution. %D A379853 Jerome Spanier and Keith B. Oldham, "Atlas of Functions", Hemisphere Publishing Corp., 1987, chapter 40, table 40:7:1 at page 387. %H A379853 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Erfc.html">Erfc</a>. %F A379853 Equals 1 - A178647 = 2*A239382. - _Hugo Pfoertner_, Jan 04 2025 %e A379853 0.3173105078629141028295349087359241550441740665... %t A379853 RealDigits[Erfc[1/Sqrt[2]], 10, 100][[1]] %Y A379853 Cf. A178647, A239382. %K A379853 nonn,cons %O A379853 0,1 %A A379853 _Stefano Spezia_, Jan 04 2025