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A046365 Composite palindromes whose sum of prime factors is prime (counted with multiplicity). 2

%I

%S 6,22,88,99,202,252,333,414,424,454,464,595,686,747,777,808,838,848,

%T 858,909,1001,1551,1771,2442,3553,4114,5335,5775,6336,6996,8008,8228,

%U 9009,9559,9669,9889,12121,14241,16261,16761,17171,18081,18381,20102

%N Composite palindromes whose sum of prime factors is prime (counted with multiplicity).

%F A046363 INTERSECT A002113. - _R. J. Mathar_, Sep 09 2015

%t Select[Range[20125], !PrimeQ[#] && Reverse[x=IntegerDigits[#]] == x && PrimeQ[Total[Times@@@FactorInteger[#]]]&] (* _Jayanta Basu_, May 29 2013 *)

%Y Cf. A046363, A046364.

%K nonn,base

%O 1,1

%A _Patrick De Geest_, Jun 15 1998.

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Last modified February 21 18:45 EST 2019. Contains 320376 sequences. (Running on oeis4.)