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A078257
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a(n) = denominator(N) where N = 0.123...n (concatenation of 1 to n after decimal point).
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3
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10, 25, 1000, 5000, 20000, 15625, 10000000, 50000000, 1000000000, 10000000000, 10000000000000, 125000000000000, 100000000000000000, 5000000000000000000, 200000000000000000000, 25000000000000000000000, 10000000000000000000000000
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Conjecture: a(n) is not equal to the sequence of denominators presented in A172495 and A172506. [From Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Feb 05 2010]
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EXAMPLE
| a(1) = 10 as 10*0.1 = 1, a(2) = 25 as 25*0.12 = 3.
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CROSSREFS
| Cf. A078258.
Sequence in context: A071289 A156183 A124870 * A059198 A046961 A125035
Adjacent sequences: A078254 A078255 A078256 * A078258 A078259 A078260
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KEYWORD
| base,nonn,frac
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 24 2002
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EXTENSIONS
| More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jan 04 2003
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