This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A046345 #15 Sep 09 2015 08:05:50
%S A046345 4,5,6,6,13,14,15,16,16,18,17,17,40,22,50,30,25,103,57,42,35,24,17,
%T A046345 133,25,52,77,104,36,43,21,25,134,105,31,59,40,44,229,37,84,26,34,106,
%U A046345 108,20,112,114,45,118,33,24,29,106,24,315,60,38,49,45,30,23,38,108,242,78
%N A046345 Sum of the prime factors of the palindromic composite numbers (counted with multiplicity).
%F A046345 a(n) = A001414(A032350(1+n)). - _R. J. Mathar_, Sep 09 2015
%e A046345 a(60)=45 because 666 = 2 * 3 * 3 * 37 and 45 = 2 + 3 + 3 + 37.
%t A046345 t={}; Do[If[!PrimeQ[n]&&Reverse[x=IntegerDigits[n]]==x,AppendTo[t,Total[Times@@@FactorInteger[n]]]],{n,4,740}]; t (* _Jayanta Basu_, Jun 04 2013 *)
%Y A046345 Cf. A046343, A046344.
%K A046345 nonn,base
%O A046345 1,1
%A A046345 _Patrick De Geest_, Jun 15 1998
%E A046345 Offset set to 1. - _R. J. Mathar_, Sep 09 2015