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Search: id:A078146
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| A078146 |
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Length of period of continued fraction for square root of -1+n!. |
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+0
2
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| 0, 0, 1, 4, 4, 28, 4, 12, 64, 600, 380, 10908, 23720, 168072
(list; graph; listen)
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OFFSET
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1,4
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EXAMPLE
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Period for Sqrt[4!-1]=Sqrt[23]={1,1,1,4}, a(4)=4
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MATHEMATICA
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Table[Length[Last[ContinuedFraction[Sqrt[ -1+n! ]]]], {n, 1, 14}]
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CROSSREFS
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Cf. A078145, A064025.
Sequence in context: A132650 A112953 A110139 this_sequence A066836 A065237 A111723
Adjacent sequences: A078143 A078144 A078145 this_sequence A078147 A078148 A078149
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Nov 25 2002
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