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.

A371356 Decimal expansion of Gamma(3/2) * zeta(3/2).

Original entry on oeis.org

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

Views

Author

Peter Luschny, Mar 19 2024

Keywords

Examples

			2.3151573733941170004258194691179813666769281990...
		

Crossrefs

Programs

  • Maple
    DecimalExpansion := proc(f, prec)
    Digits := prec + 10: evalf(f, Digits) * 10^prec:
    ListTools:-Reverse(convert(floor(%), base, 10)) end:
    DecimalExpansion(sqrt(Pi/4)*Zeta(3/2), 100);
  • Mathematica
    RealDigits[Pochhammer[1, 1/2] Zeta[3/2, 1], 10, 100][[1]]

Formula

Equals Pochhammer(1, 1/2) * zeta(3/2, 1).
Equals sqrt(Pi/4) * zeta(3/2).
Equals Integral_{x>=0} sqrt(x) / (exp(x) - 1).
Equals A019704 * A078434.