cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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.

Original entry on oeis.org

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

Views

Author

Jean-François Alcover, Mar 04 2015

Keywords

Examples

			-0.6840003894379321291827444599926611267109914826549994343...
		

Crossrefs

Cf. A255727 (real part), A157852.

Programs

  • Mathematica
    digits = 103; NIntegrate[x^(1/x)*Sin[Pi*x], {x, 1, Infinity}, WorkingPrecision -> 2*digits] - 1/Pi // RealDigits[#, 10, digits]& // First