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A102447 Decimal expansion of log_3 20. 2
2, 7, 2, 6, 8, 3, 3, 0, 2, 7, 8, 6, 0, 8, 4, 2, 0, 4, 1, 3, 9, 6, 0, 9, 4, 6, 3, 6, 3, 6, 4, 1, 6, 2, 1, 0, 4, 9, 0, 7, 1, 0, 3, 6, 4, 6, 9, 2, 9, 8, 1, 0, 5, 4, 4, 7, 9, 4, 2, 0, 0, 2, 8, 2, 4, 7, 2, 8, 6, 2, 6, 7, 8, 9, 5, 2, 8, 5, 5, 4, 3, 3, 7, 7, 7, 9, 3, 8, 4, 9, 0, 8, 5, 8, 4, 3, 2, 9, 8, 2, 5, 6, 1, 2, 0 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Hausdorff dimension of Menger sponge.

REFERENCES

Manfred Schroeder, Fractals, Chaos, Power Laws, Freeman,1991, p. 179.

Ian Stewart, Does God Play Dice?, The New Mathematics of Chaos, 2nd Ed., Blackwell Pub'l., Malden MA, 2002, p. 207.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

C. C. Bergemann, PlanetMath.org, Menger sponge

O. Knill, Menger Sponge

School of Mathematics and Statistics, University of St Andrews, Scotland, Abram Samoilovitch Besicovitch.

Turnbull WWW Server, Felix Hausdorff.

Wikipedia, Hausdorff dimension.

Eric Weisstein's World of Mathematics, Menger Sponge

EXAMPLE

2.72683302786084204139609463636416210490710364692981054479420028247...

MATHEMATICA

RealDigits[ Log[3, 20], 10, 111][[1]]

CROSSREFS

Cf. A100831, A102525, A113210, A152564.

Sequence in context: A021371 A157513 A087706 * A151869 A262083 A181284

Adjacent sequences:  A102444 A102445 A102446 * A102448 A102449 A102450

KEYWORD

cons,nonn

AUTHOR

Robert G. Wilson v, Feb 23 2005

STATUS

approved

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Last modified October 20 10:32 EDT 2019. Contains 328257 sequences. (Running on oeis4.)