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 A387132 #9 Aug 22 2025 02:30:40 %S A387132 7,0,7,7,5,4,1,8,8,7,8,4,7,2,7,6,1,6,4,7,2,8,4,5,8,9,3,0,7,6,5,1,6,2, %T A387132 3,9,4,9,3,8,4,0,8,1,4,2,3,7,5,0,1,5,5,7,1,7,8,1,0,4,5,9,3,4,5,7,6,8, %U A387132 8,1,8,9,8,6,1,3,5,2,5,6,8,1,6,3,1,1,1,1,0,6,4,5,5,7,1,6,0,5,6,5 %N A387132 Decimal expansion of the absolute value of the imaginary part of the complex solutions to log(z) = -1/z on the principal branch of log(z). %H A387132 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>. %F A387132 Equals Im(-1/LambertW(-1)). %F A387132 Equals -Im(-1/LambertW(-1, -1)). %e A387132 0.7077541887847276164728458930765162394938408142... %t A387132 RealDigits[Im[-1/ProductLog[-1]],10,100][[1]] %Y A387132 Cf. A030797, A059526, A059527. %Y A387132 Cf. A387131 (real part). %K A387132 nonn,cons,new %O A387132 0,1 %A A387132 _Stefano Spezia_, Aug 17 2025