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Palindromes with exactly 8 prime factors (counted with multiplicity).
4

%I #11 Sep 11 2019 09:05:57

%S 2112,25152,29792,67776,84448,219912,252252,270072,272272,464464,

%T 616616,631136,652256,656656,696696,698896,801108,802208,828828,

%U 840048,848848,861168,882288,886688,888888,2110112,2150512,2171712,2175712

%N Palindromes with exactly 8 prime factors (counted with multiplicity).

%H John Cerkan, <a href="/A046334/b046334.txt">Table of n, a(n) for n = 1..10000</a>

%t Select[Range[22*10^5],PalindromeQ[#]&&PrimeOmega[#]==8&] (* Requires Mathematica version 10 or later *) (* _Harvey P. Dale_, Sep 11 2019 *)

%Y Cf. A046310, A046321.

%K nonn,base

%O 1,1

%A _Patrick De Geest_, Jun 15 1998