login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A102447 Decimal expansion of log_3 20. 0
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; 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

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, Link to a section of The World of Mathematics

EXAMPLE

2.72683302786084204139609463636416210490710364692981054479420028247...

MATHEMATICA

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

CROSSREFS

Cf. A100831, A102525, A113210, A152564.

Sequence in context: A021371 A157513 A087706 * A151869 A181284 A010697

Adjacent sequences:  A102444 A102445 A102446 * A102448 A102449 A102450

KEYWORD

cons,nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 23 2005

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 14 08:18 EST 2012. Contains 205608 sequences.