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A164107 Decimal expansion of 16*Pi^3/15. 4
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 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

2,1

COMMENTS

Surface area of the 7-dimensional unit sphere.

LINKS

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

Eric Weisstein, Hypersphere, Wolfram Mathworld.

Wikipedia, Hypersphere

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: A122831 A019701 A134813 * A093755 A176276 A200701

Adjacent sequences:  A164104 A164105 A164106 * A164108 A164109 A164110

KEYWORD

cons,nonn

AUTHOR

R. J. Mathar, Aug 10 2009

STATUS

approved

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Last modified October 17 16:08 EDT 2017. Contains 293471 sequences.