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A115712
Semiprimes (A001358) whose digit reversal is a cube.
1
10, 46, 215, 3194, 9586, 27845, 35605, 40393, 52651, 63379, 70597, 76121, 84601, 98342, 119753, 189622, 211591, 234413, 291149, 376219, 485038, 616571, 778841, 886877, 946711, 2134493, 2198998, 2579365, 3405221, 3735467, 4430089
OFFSET
1,1
EXAMPLE
46=2*23 is semiprime and 64=4^3.
MATHEMATICA
Select[Range[5*10^6], PrimeOmega[#]==2&&IntegerQ[Surd[ IntegerReverse[ #], 3]]&] (* The program uses the IntegerReverse function from Mathematica version 10 *) (* Harvey P. Dale, Jan 18 2016 *)
CROSSREFS
Sequence in context: A096045 A287090 A183133 * A199313 A003765 A138041
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Jan 31 2006
STATUS
approved