OFFSET
1,1
COMMENTS
Each of the three distinct primes must have an exponent of one, i.e., the number of distinct primes and also the number of primes counted with multiplicity must equal three. - Harvey P. Dale, Sep 26 2024
LINKS
Chai Wah Wu, Table of n, a(n) for n = 1..10000
MATHEMATICA
Select[Range[4000], PrimeQ[#] && Transpose[FactorInteger[IntegerReverse[#]]][[2]] == {1, 1, 1} &] (* Tanya Khovanova, Mar 16 2021 *)
Select[Prime[Range[500]], PrimeNu[IntegerReverse[#]]==PrimeOmega[IntegerReverse[#]]==3&] (* Harvey P. Dale, Sep 26 2024 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Chai Wah Wu, Apr 14 2016
STATUS
approved