A164107 Decimal expansion of 16*Pi^3/15.

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

Offset

2,1

Comments

Surface area of the 7-dimensional unit sphere.

References

François Le Lionnais, Les Nombres Remarquables, Paris, Hermann, 1983, p. 86.

Links

G. C. Greubel, Table of n, a(n) for n = 2..5000

Eric Weisstein, Hypersphere, Wolfram Mathworld.

Wikipedia, Hypersphere

Index entries for transcendental numbers

Example

Equals 33.07336179231980818717473607157482154904030780...

Mathematica

RealDigits[16*Pi^3/15, 10, 50][[1]] (* G. C. Greubel, Sep 11 2017 *)

Prog

(PARI) 16*Pi^3/15 \\ G. C. Greubel, Sep 11 2017

Crossrefs

Equals 7*A164106.

Cf. A019692, A019694, A164102, A164104, A091925, A164109.

Sequence in context: A134813 A338037 A377147 * A388343 A093755 A176276

Adjacent sequences: A164104 A164105 A164106 * A164108 A164109 A164110

Keyword

cons,nonn,changed

Author

R. J. Mathar, Aug 10 2009

Status

approved