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A206580
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Number of ones in the periodic part of the continued fraction of sqrt(n) for n in A206579.
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1
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0, 1, 3, 4, 6, 8, 10, 12, 18, 20, 24, 26, 30, 42, 46, 50, 52, 56, 60, 70, 72, 74, 78, 86, 92, 98, 102, 106, 112, 116, 124, 128, 132, 136, 156, 158, 170, 178, 188, 192, 196, 202, 204, 212, 236, 242, 250, 266, 272, 274, 276, 278, 286, 292, 294, 312, 318
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OFFSET
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1,3
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LINKS
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Table of n, a(n) for n=1..57.
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MATHEMATICA
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t = {{2, 0}}; Do[If[! IntegerQ[Sqrt[k]], cnt = Count[ContinuedFraction[Sqrt[k]][[2]], 1]; If[cnt > t[[-1, 2]], AppendTo[t, {k, cnt}]]], {k, 3, 50000}]; Transpose[t][[2]]
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CROSSREFS
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Sequence in context: A071259 A231405 A092137 * A291899 A059608 A088071
Adjacent sequences: A206577 A206578 A206579 * A206581 A206582 A206583
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KEYWORD
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nonn
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AUTHOR
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T. D. Noe, Feb 29 2012
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STATUS
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approved
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