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Search: id:A126339
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| A126339 |
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a(n) = denominator of sum of the reciprocals of all terms in rows 1 through n of table A126336. |
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+0
4
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| 1, 1, 2, 2, 3, 12, 66, 462, 42504, 127512, 637560, 8288280, 125580, 2415, 103845, 75599160, 17028710790, 2156970033400, 213540033306600, 26692504163325, 106770016653300, 52103768126810400, 52103768126810400
(list; graph; listen)
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OFFSET
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1,3
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LINKS
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Leroy Quet, Home Page (listed in lieu of email address)
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MATHEMATICA
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f[l_List] := Append[l, ContinuedFraction[Plus @@ (1/# &) /@ Flatten[l]]]; Denominator@Table[Plus @@ (1/# &) /@ Flatten@Nest[f, {{1}}, n - 1], {n, 24}] (*Chandler*)
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CROSSREFS
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Cf. A126336, A126338.
Sequence in context: A075095 A156136 A134243 this_sequence A153929 A100362 A062439
Adjacent sequences: A126336 A126337 A126338 this_sequence A126340 A126341 A126342
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KEYWORD
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frac,nonn
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AUTHOR
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Leroy Quet Dec 25 2006
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EXTENSIONS
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Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Dec 26 2006
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