

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
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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, The Free Encyclopedia, 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



