Voozh

A152627

Decimal expansion of 3/4.

7, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0

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OFFSET

0,1

COMMENTS

This is also the expected distance from a randomly selected point in the unit sphere to its center. - Derek Orr, Jul 27 2014

The asymptotic probability that the greatest common divisor of two positive integers selected independently at random is an odd number. - Amiram Eldar, Feb 24 2026

LINKS

Table of n, a(n) for n=0..98.

FORMULA

Equals (sin(Pi/3))^2. - Michel Marcus, Sep 12 2020

Equals Sum_{k>=1} (zeta(2*k) - 1). - Amiram Eldar, May 24 2021

EXAMPLE

0.75000000000000000000000000000000000000000000000000000000000...

MATHEMATICA

RealDigits[3/4, 10, 128][[1]] (* Alonso del Arte, Feb 16 2015 *)

CROSSREFS

Cf. A019670 (Pi/3).

Sequence in context: A239602 A374295 A100976 * A277067 A354823 A394963