OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
EXAMPLE
99=3^2*11, 171=3^2*19 and 333=3^2*37 are palindromic, odd and have exactly 3 prime factors.
MAPLE
test := proc(n) local d; d := convert(n, base, 10); return ListTools[Reverse](d)=d and numtheory[bigomega](n)=3; end; a := []; for n from 1 to 13000 by 2 do if test(n) then a := [op(a), n]; end; od; a;
MATHEMATICA
Select[Range[1, 13001, 2], PalindromeQ[#]&&PrimeOmega[#]==3&] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Sep 05 2017 *)075814:"
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Jani Melik, Oct 13 2002
EXTENSIONS
Edited by Dean Hickerson, Oct 21 2002
STATUS
approved