A164103 - OEIS

A164103

Decimal expansion of 8*Pi^2/15.

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

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OFFSET

1,1

COMMENTS

Volume of the 5-dimensional unit sphere.

For all nonnegative integers n, let V_n be the volume of the n-dimensional unit sphere. If n != 5, then V_n < V_5, this constant (see A072345). - Rick L. Shepherd, Feb 23 2014

REFERENCES

David Wells, The Penguin Dictionary of Curious and Interesting Numbers. Penguin Books, NY, 1986, Revised edition 1987. See p. 67.

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..10000

Eric Weisstein, Hypersphere, Wolfram Mathworld.

Wikipedia, Hypersphere.

Index entries for transcendental numbers.

FORMULA

Equals A164104/5 = 4*A164102/15.

EXAMPLE

Equals 5.2637890139143245967117285332672806...

MATHEMATICA