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Also the negated real part of Gamma(i)
Table of n, a(n) for n=0..104.
i! = gamma(1+i) = i*gamma(i)
-Gamma[I] // Re // RealDigits[#, 10, 105]& // First (* Jean-François Alcover, May 13 2013 *)
A212877 (real(i!)), A212879 (abs(i!)), A212880 (-arg(i!))
Sequence in context: A125057 A021186 A195705 * A092302 A002389 A196758
Adjacent sequences: A212875 A212876 A212877 * A212879 A212880 A212881
Stanislav Sykora, May 29 2012