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Search: id:A060215
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| A060215 |
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Period of continued fraction for sqrt(a(n)) has n successive 1's. |
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+0 1
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| 3, 7, 7, 13, 58, 58, 135, 461, 819, 2081, 13834, 13834, 35955, 244647, 244647, 639389
(list; graph; listen)
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OFFSET
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1,1
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PROGRAM
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(PARI) print("3, 7, "):n=3:for(k=1, 10^6, v=contfrac(sqrt(k)):s=0:for(l=1, length(v)-n, if(v[l]==1, s=s+1, s=0): if(s==n, print1(k", "):n=n+1:k=k-1:break)))
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CROSSREFS
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Sequence in context: A139795 A118259 A060845 this_sequence A059478 A081218 A130003
Adjacent sequences: A060212 A060213 A060214 this_sequence A060216 A060217 A060218
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KEYWORD
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nonn
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AUTHOR
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Jeff Burch (gburch(AT)erols.com), Mar 21 2001
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EXTENSIONS
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More terms from Ralf Stephan (ralf(AT)ark.in-berlin.de), Mar 26 2003
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