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A112820
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Numbers k such that lcm(1,2,3,...,k)/17 equals the denominator of the k-th harmonic number H(k).
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12
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272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 79507, 79508, 79509, 79510, 79511, 79512, 79513, 79514, 79515, 79516, 79517, 79518, 79519, 79520, 79521, 79522, 79523, 79524, 79525, 79526, 79527, 79528
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OFFSET
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1,1
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COMMENTS
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LINKS
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MATHEMATICA
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a = h = 1; t = {}; Do[a = LCM[a, n]; h = h + 1/n; If[a/Denominator[h] == 17, AppendTo[t, n]], {n, 79528}]; t
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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