login
A255728
Decimal expansion of the imaginary part (negated) of the limit (2N -> infinity) of Integral_{1..2N} exp(i*Pi*x)*x^(1/x) dx.
2
6, 8, 4, 0, 0, 0, 3, 8, 9, 4, 3, 7, 9, 3, 2, 1, 2, 9, 1, 8, 2, 7, 4, 4, 4, 5, 9, 9, 9, 2, 6, 6, 1, 1, 2, 6, 7, 1, 0, 9, 9, 1, 4, 8, 2, 6, 5, 4, 9, 9, 9, 4, 3, 4, 3, 2, 2, 6, 3, 0, 3, 7, 7, 1, 3, 8, 1, 5, 3, 0, 5, 8, 1, 2, 4, 9, 7, 6, 6, 3, 8, 1, 5, 0, 9, 5, 9, 8, 3, 4, 2, 1, 2, 7, 2, 1, 4, 7, 8, 6, 7, 2, 2
OFFSET
0,1
EXAMPLE
-0.6840003894379321291827444599926611267109914826549994343...
MATHEMATICA
digits = 103; NIntegrate[x^(1/x)*Sin[Pi*x], {x, 1, Infinity}, WorkingPrecision -> 2*digits] - 1/Pi // RealDigits[#, 10, digits]& // First
CROSSREFS
Cf. A255727 (real part), A157852.
Sequence in context: A054042 A184084 A346402 * A272488 A100608 A350795
KEYWORD
nonn,cons
AUTHOR
STATUS
approved