A088467 Decimal expansion of 6/(Pi^2 A086724).

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

Offset

0,1

Comments

The probability that a randomly chosen Eisenstein integer is squarefree, and the probability that two randomly chosen Eisenstein integers are coprime. - Amiram Eldar, Jun 13 2020

References

Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, p. 601.

Links

Table of n, a(n) for n=0..101.

Eric Weisstein's World of Mathematics, Relatively Prime

Example

0.778094489...

Mathematica

A086724 = H = 1+(PolyGamma[1, 4/3]-PolyGamma[1, 2/3])/9; RealDigits[6/(Pi^2*H), 10, 102] // First (* Jean-François Alcover, Jun 03 2014 *)

Crossrefs

Cf. A088454, A086724.

Sequence in context: A328824 A360080 A352712 * A153496 A011007 A226656

Adjacent sequences: A088464 A088465 A088466 * A088468 A088469 A088470

Keyword

nonn,cons

Author

Eric W. Weisstein, Oct 02 2003

Status

approved