OFFSET
0,1
COMMENTS
Also, decimal expansion of the real part of i^Pi.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..5000
FORMULA
Equals cos(Pi^2/2).
EXAMPLE
0.22058404074969808866894591325578751045884803815941067237004887322...
MATHEMATICA
RealDigits[Re[1/I^Pi], 10, 90][[1]] (* or *) RealDigits[Cos[Pi^2/2], 10, 90][[1]]
PROG
(Maxima) fpprec:90; ev(bfloat(realpart(1/%i^%pi)));
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Bruno Berselli, Feb 08 2013
STATUS
approved