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.

A263354 Decimal expansion of the generalized hypergeometric function 3F2(1/2,3/2,3/2; 5/2,5/2;x) at x=1/2.

Original entry on oeis.org

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

Views

Author

R. J. Mathar, Oct 16 2015

Keywords

Examples

			1.113463780929017366397176...
		

Crossrefs

Programs

  • Maple
    evalf(hypergeom([1/2,3/2,3/2],[5/2,5/2],1/2)) ;
  • Mathematica
    RealDigits[9*(4*Catalan - 2 + Pi*(Log[2] - 1))/(4*Sqrt[2]), 10, 120][[1]] (* Amiram Eldar, Aug 23 2024 *)

Formula

Equals 9*(4*Catalan-2+Pi*(log 2 -1))/(4*sqrt(2)) = 9*(A247685 -2 - A000796 * A244009) / A010487.