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.

A096428 Decimal expansion of (4*sqrt(2)*Pi^2)/gamma(1/4)^2.

Original entry on oeis.org

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

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Author

Eric W. Weisstein, Jul 21 2004

Keywords

Comments

Asymptotic constant in the expected perimeter of square point picking.

Examples

			4.247296545963878651221513149595788524022238578931556848162...
		

References

  • Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, Section 8.1 Geometric Probability Constants, p. 481.

Crossrefs

Cf. A097060.

Programs

  • Magma
    SetDefaultRealField(RealField(100)); R:= RealField(); 4*Sqrt(2)*Pi(R)^2/Gamma(1/4)^2; // G. C. Greubel, Sep 27 2018
  • Mathematica
    RealDigits[(4*Sqrt[2]*Pi^2)/Gamma[1/4]^2, 10, 100][[1]] (* G. C. Greubel, Sep 27 2018 *)
  • PARI
    (4*sqrt(2)*Pi^2)/gamma(1/4)^2 \\ Michel Marcus, Jun 26 2014