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.

A084325 Palindromes such that at least one divisor is non-palindromic; palindromes not in A062687.

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%I A084325 #12 Dec 15 2017 17:36:21
%S A084325 111,141,161,171,212,222,232,252,272,282,292,323,333,343,414,424,434,
%T A084325 444,454,464,474,494,515,525,535,545,555,565,575,585,595,616,636,646,
%U A084325 656,666,676,686,696,717,737,747,767,777,818,828,838,848,858,868,878
%N A084325 Palindromes such that at least one divisor is non-palindromic; palindromes not in A062687.
%H A084325 Indranil Ghosh, <a href="/A084325/b084325.txt">Table of n, a(n) for n = 1..10000</a>
%e A084325 141 is in the sequence because the divisors of 141 are 1, 3, 47 and 141, from which 47 is the only non-palindromic number. - _Indranil Ghosh_, Feb 10 2017
%t A084325 palQ[n_] := Reverse[x = IntegerDigits[n]] == x; Select[Range[880], palQ[#] && And @@ palQ /@ Divisors[#] == False &] (* _Jayanta Basu_, Aug 10 2013 *)
%K A084325 base,easy,nonn
%O A084325 1,1
%A A084325 _Jason Earls_, Jun 21 2003