(MAGMAMagma) C<i> := ComplexField(); [Sqrt(Pi(C)*Exp(1))/5]; // G. C. Greubel, Nov 17 2017
OEIS Server: https://oeis.org/edit/global/2944
proposed
approved
editing
0.58445647306445557290832461522153646307958151...
(MAGMA) C<i> := ComplexField(); [Sqrt(Pi(C)*Exp(1))/5]; // G. C. Greubel, Nov 17 2017
Cf. A019645.