0,1
Also, decimal expansion of -cos(Pi*e/2).
The decimal expansion of the imaginary part of -i^e is in A211884.
Table of n, a(n) for n=0..86.
0.42821977341382775376026209125984596454841001382828670235267391805064...
RealDigits[Re[-I^E], 10, 87][[1]] (* Bruno Berselli, Apr 24 2012 *)
Cf. A211884.
Sequence in context: A112143 A112151 A112152 * A083489 A065464 A201400
Adjacent sequences: A211880 A211881 A211882 * A211884 A211885 A211886
nonn,cons,easy
Stanislav Sykora, Apr 24 2012
approved