cp's OEIS Frontend

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.

A046367 Odd numbers divisible by the palindromic sum of its palindromic prime factors (counted with multiplicity).

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%I A046367 #10 Oct 10 2019 22:50:06
%S A046367 27,5445,8085,18711,22275,658845,868095,978285,1164625,1452605,
%T A046367 2695275,2898693,3622365,4002075,4222911,4764375,5671875,5942475,
%U A046367 7074375,8421875,8582203,9261945,10637825,11026125,13752585,16372125,17275545
%N A046367 Odd numbers divisible by the palindromic sum of its palindromic prime factors (counted with multiplicity).
%e A046367 8582203 = 7^3 * 131 * 191 -> Sum of factors is 343 -> 8582203 / 343 = 25021 exactly.
%t A046367 palQ[n_]:=Reverse[x=IntegerDigits[n]]==x; t={}; Do[If[!PrimeQ[n]&&And@@palQ/@Join[{y=Total[Times@@@(x=FactorInteger[n])]},First/@x]&&IntegerQ[n/y],AppendTo[t,n]],{n,9,6*10^6,2}]; t (* _Jayanta Basu_, Jun 05 2013 *)
%Y A046367 Cf. A046366.
%K A046367 nonn,base
%O A046367 0,1
%A A046367 _Patrick De Geest_, Jun 15 1998