Search: id:A075816
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%I A075816
%S A075816 8,44,66,212,222,242,282,292,404,434,474,494,606,646,2222,2882,4334,
%T A075816 4994,6226,6446,6886,8338,8558,8998,20002,20402,20702,20802,20902,
%U A075816 21212,22222,22922,23132,24042,24342,24542,24742,24942,25052,26062
%N A075816 Palindromic even numbers with exactly 3 prime factors (counted with multiplicity).
%e A075816 44=2^2*11, 66=2*3*11 and 212=2^2*53 are palindromic, even and products 
               of 3 prime factors.
%p A075816 test := proc(n) local d; d := convert(n,base,10); return ListTools[Reverse](d)=d 
               and numtheory[bigomega](n)=3 and not isprime(n); end; a := []; for 
               n from 2 to 27000 by 2 do if test(n) then a := [op(a),n]; end; od; 
               a;
%Y A075816 Sequence in context: A046341 A046329 A046377 this_sequence A100583 A036464 
               A000938
%Y A075816 Adjacent sequences: A075813 A075814 A075815 this_sequence A075817 A075818 
               A075819
%K A075816 nonn,base
%O A075816 1,1
%A A075816 Jani Melik (jani_melik(AT)hotmail.com), Oct 13 2002
%E A075816 Edited by Dean Hickerson (dean.hickerson(AT)yahoo.com), Oct 22 2002

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