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A166607 Numbers k such that Sum_{i=1..k} i^7 divides Product_{i=1..k} i^7. 5
1, 733, 1637, 2096, 2367, 4231, 5674, 5839, 7585, 8344, 13719, 13753, 14983, 15151, 15197, 15257, 15757, 16595, 17305, 18791, 20701, 21442, 23652, 23738, 24519, 24789, 25474, 25916, 25933, 27474, 27487, 29185, 31455, 32846, 32950, 33421 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
EXAMPLE
a(2) = A125314(7) = 733.
MATHEMATICA
With[{c=Range[40000]^7}, Flatten[Position[#[[1]]/#[[2]]&/@Thread[ {Rest[ FoldList[ Times, 1, c]], Accumulate[c]}], _?IntegerQ]]] (* Harvey P. Dale, Nov 16 2014 *)
CROSSREFS
Sequence in context: A178093 A143726 A180919 * A346024 A297761 A220625
KEYWORD
nonn
AUTHOR
Alexander Adamchuk, Oct 18 2009
EXTENSIONS
More terms from Max Alekseyev, Sep 30 2010
STATUS
approved

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Last modified February 23 22:58 EST 2024. Contains 370288 sequences. (Running on oeis4.)