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 A349892 #24 Aug 06 2024 06:03:17 %S A349892 3,9,7,1,1,7,6,9,4,9,8,1,5,7,7,1,6,9,6,9,2,9,0,3,8,2,9,9,1,6,6,0,7,6, %T A349892 7,9,2,3,3,5,2,6,2,6,5,0,5,2,4,4,3,5,7,6,1,5,2,0,6,0,4,0,8,5,6,2,5,1, %U A349892 4,2,7,4,4,3,7,3,6,7,9,5,5,2,4,2,7,0,5,9,8,6,8,6,2,3,3,7,4,4,0,3,7,8,9,5 %N A349892 Decimal expansion of erf(1/e). %H A349892 Michael Ian Shamos, <a href="https://citeseerx.ist.psu.edu/pdf/ae33a269baba5e8b1038e719fb3209e8a00abec5">Shamos's catalog of the real numbers</a>, (2011). %e A349892 0.3971176949815771696929038299166076792335... %p A349892 evalf(erf(exp(-1)), 120); # _Alois P. Heinz_, Dec 13 2021 %t A349892 RealDigits[Erf[1/E], 10, 100][[1]] (* _Amiram Eldar_, Dec 04 2021 *) %o A349892 (PARI) 1 - erfc(1/exp(1)) \\ _Michel Marcus_, Dec 04 2021 %Y A349892 Cf. A001113, A068985, A099286, A110894. %K A349892 nonn,cons %O A349892 0,1 %A A349892 _Christoph B. Kassir_, Dec 04 2021