%I #23 Dec 21 2022 20:48:05
%S 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 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 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 Decimal expansion of 1/(1 - e^(-gamma)).
%C This constant is mentioned by _Andreas Weingartner_.
%H 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 Equals 1/A227242.
%F Equals 1/(1 - A080130).
%F Equals 1/(1 - A001113^(-A001620)).
%e 2.2802910165143604282867468123251090181102824133274380534504187669076628...
%t RealDigits[1/(1 - Exp[-EulerGamma]), 10, 120][[1]] (* _Amiram Eldar_, Dec 15 2022 *)
%o (PARI) 1/(1-exp(-Euler)) \\ _Michel Marcus_, Dec 15 2022
%Y Cf. A001113, A001620, A080130, A174973, A227242.
%K nonn,cons
%O 1,1
%A _Omar E. Pol_, Dec 14 2022
%E More terms from _Alois P. Heinz_, Dec 14 2022