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Search: id:A077638
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| A077638 |
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Sum of terms in period of continued fraction expansion of square root of A051451[n], i.e. Sqrt[LCM(1,..,x)] where x is a prime power from A000961. |
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+0
2
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| 1, 2, 6, 8, 18, 42, 57, 105, 372, 1344, 1800, 7291, 32524, 150567, 342906, 738854, 3298239, 20772345, 36965663, 184510241, 1433356755, 7840220998, 56906577387, 113611483212
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OFFSET
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1,2
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EXAMPLE
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for A051451(10)=360360, the period is {3,2,1,132,1,2,3,1200} with 1344 as sum of entries, so a[10]=1344.
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MATHEMATICA
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t={A051451(n)} Table[Max[Last[ContinuedFraction[Sqrt[Part[t, u]]]]], {u, 1, 24}]
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CROSSREFS
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Cf. A000961, A051451, A077636-A077638.
Sequence in context: A053658 A032393 A102656 this_sequence A103015 A098092 A106164
Adjacent sequences: A077635 A077636 A077637 this_sequence A077639 A077640 A077641
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KEYWORD
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cofr,nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Nov 13 2002
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