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Search: id:A014263
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| A014263 |
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Numbers that contain even digits only. |
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+0
9
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| 0, 2, 4, 6, 8, 20, 22, 24, 26, 28, 40, 42, 44, 46, 48, 60, 62, 64, 66, 68, 80, 82, 84, 86, 88, 200, 202, 204, 206, 208, 220, 222, 224, 226, 228, 240, 242, 244, 246, 248, 260, 262, 264, 266, 268, 280, 282, 284, 286, 288, 400, 402, 404, 406, 408, 420, 422, 424
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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The set of real numbers between 0 and 1 that contain no odd digits in their decimal expansion has Hausdorff dimension log 5 / log 10.
Integers written in base 5 and then doubled (in base 10). - Frank Adams-Watters (FrankTAW(AT)Netscape.net), Mar 15 2006
A045888(a(n)) = 0. [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 25 2009]
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REFERENCES
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K. J. Falconer, The Geometry of Fractal Sets, Cambridge, 1985; p. 19.
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CROSSREFS
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Cf. A061810, A061811.
Cf. A007091.
Sequence in context: A076402 A053198 A062897 this_sequence A061651 A131122 A119261
Adjacent sequences: A014260 A014261 A014262 this_sequence A014264 A014265 A014266
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KEYWORD
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nonn,base,easy
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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