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 A359057 #23 Dec 21 2022 20:48:05 %S A359057 2,2,8,0,2,9,1,0,1,6,5,1,4,3,6,0,4,2,8,2,8,6,7,4,6,8,1,2,3,2,5,1,0,9, %T A359057 0,1,8,1,1,0,2,8,2,4,1,3,3,2,7,4,3,8,0,5,3,4,5,0,4,1,8,7,6,6,9,0,7,6, %U A359057 6,2,8,0,4,4,0,1,6,1,5,6,0,6,1,1,6,2,1,8,8,6,0,4,2,3,6,0,9,1,2,8,0,5,2,2,9 %N A359057 Decimal expansion of 1/(1 - e^(-gamma)). %C A359057 This constant is mentioned by _Andreas Weingartner_. %H A359057 Andreas Weingartner, <a href="https://arxiv.org/abs/2101.11585">The number of prime factors of integers with dense divisors</a>, arXiv preprint arXiv:2101.11585 [math.NT], 2021. %F A359057 Equals 1/A227242. %F A359057 Equals 1/(1 - A080130). %F A359057 Equals 1/(1 - A001113^(-A001620)). %e A359057 2.2802910165143604282867468123251090181102824133274380534504187669076628... %t A359057 RealDigits[1/(1 - Exp[-EulerGamma]), 10, 120][[1]] (* _Amiram Eldar_, Dec 15 2022 *) %o A359057 (PARI) 1/(1-exp(-Euler)) \\ _Michel Marcus_, Dec 15 2022 %Y A359057 Cf. A001113, A001620, A080130, A174973, A227242. %K A359057 nonn,cons %O A359057 1,1 %A A359057 _Omar E. Pol_, Dec 14 2022 %E A359057 More terms from _Alois P. Heinz_, Dec 14 2022