A211883 - OEIS

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A211883

Decimal expansion of the real part of -(i^e)

4, 2, 8, 2, 1, 9, 7, 7, 3, 4, 1, 3, 8, 2, 7, 7, 5, 3, 7, 6, 0, 2, 6, 2, 0, 9, 1, 2, 5, 9, 8, 4, 5, 9, 6, 4, 5, 4, 8, 4, 1, 0, 0, 1, 3, 8, 2, 8, 2, 8, 6, 7, 0, 2, 3, 5, 2, 6, 7, 3, 9, 1, 8, 0, 5, 0, 6, 4, 9, 9, 9, 0, 5, 7, 8, 2, 2, 6, 8, 5, 1, 8, 8, 3, 0, 5, 3

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OFFSET

0,1

COMMENTS

Also, decimal expansion of -cos(Pi*e/2).

The decimal expansion of the imaginary part of -i^e is in A211884.

LINKS

Table of n, a(n) for n=0..86.

EXAMPLE

0.42821977341382775376026209125984596454841001382828670235267391805064...

MATHEMATICA

RealDigits[Re[-I^E], 10, 87][[1]] (* Bruno Berselli, Apr 24 2012 *)