A379664 - OEIS

A379664

Decimal expansion of hypergeom([1/2, 1/2], [1], -2).

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

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

0,1

REFERENCES

Jerome Spanier and Keith B. Oldham, "Atlas of Functions", Hemisphere Publishing Corp., 1987, chapter 17, page 143.

LINKS

Table of n, a(n) for n=0..99.

Index entries for transcendental numbers.

FORMULA

Equals hypergeom([1/2, 1/2], [1], 2/3)/sqrt(3).

Equals 2*EllipticK(2/3)/(Pi*sqrt(3)).

EXAMPLE