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A077638
Sum of terms in periodic part of continued fraction expansion of square root of A051451(n), i.e., sqrt(lcm(1..x)) where x is a prime power from A000961.
2
0, 2, 6, 8, 18, 42, 57, 105, 372, 1344, 1800, 7291, 32524, 150567, 342906, 738854, 3298239, 20772345, 36965663, 184510241, 1433356755, 7840220998, 56906577387, 113611483212, 843530932394, 6257315565011, 60692272232438, 70311381976766, 692150332693349, 4888462119949170
OFFSET
1,2
LINKS
EXAMPLE
For A051451(10) = 360360, the periodic part is {3,2,1,132,1,2,3,1200} with 1344 as sum of entries, so a(10) = 1344.
MATHEMATICA
t={A051451(n)} Table[Max[Last[ContinuedFraction[Sqrt[Part[t, u]]]]], {u, 1, 24}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Labos Elemer, Nov 13 2002
EXTENSIONS
a(25)-a(28) from Ray Chandler, Jan 16 2009
a(1) corrected and a(29)-a(30) added by Chai Wah Wu, Sep 19 2021
STATUS
approved