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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
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3, 7, 7, 13, 58, 58, 135, 461, 819, 2081, 13834, 13834, 35955, 244647, 244647, 639389
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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PROG
| (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
| Sequence in context: A139795 A118259 A060845 * A059478 A175329 A081218
Adjacent sequences: A060212 A060213 A060214 * A060216 A060217 A060218
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KEYWORD
| nonn
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AUTHOR
| Jeff Burch (gburch(AT)erols.com), Mar 21 2001
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EXTENSIONS
| More terms from Ralf Stephan (ralf(AT)ark.in-berlin.de), Mar 26 2003
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