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A115693 Powerful(1) numbers (A001694) whose digit reversal is a cube. 2
1, 8, 72, 100, 343, 800, 1000, 1331, 7200, 8000, 10000, 34300, 72000, 80000, 100000, 133100, 343000, 720000, 800000, 1000000, 1030301, 1331000, 1367631, 3430000, 7200000, 8000000, 10000000 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

Index entries for sequences related to powerful numbers

EXAMPLE

72=2^3*3^2 is powerful and 27=3^3.

MATHEMATICA

Select[Join[{1}, Select[Range[10000000], Min[Transpose[ FactorInteger[#]] [[2]]]>1&]], IntegerQ[Power[FromDigits[Reverse[IntegerDigits[#]]], (3)^-1]]&] (* From Harvey P. Dale, Sep 18 2011 *)

CROSSREFS

Cf. A001694, A115694.

Sequence in context: A004165 A032554 A097255 * A112403 A043932 A064015

Adjacent sequences:  A115690 A115691 A115692 * A115694 A115695 A115696

KEYWORD

nonn,base

AUTHOR

Giovanni Resta (g.resta(AT)iit.cnr.it), Jan 31 2006

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Last modified February 16 23:45 EST 2012. Contains 205978 sequences.