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 A324041 #40 Sep 04 2019 08:11:41 %S A324041 26,49,2285,1109111,3069307,12028229,12866669,110091011,10207355549, %T A324041 11010911011,11100910111,13579355059,30101273647,30693069307, %U A324041 111283619361 %N A324041 Nonpalindromic integers with palindromic product of divisors. %C A324041 Many terms of A327325 are palindromes, hence this sequence. %C A324041 Intersection of A029742 and A327325. %C A324041 a(16) > 3.5*10^11. - _Giovanni Resta_, Sep 04 2019 %e A324041 Divisors of 26 are : 1,2,13,26 and 1*2*13*26=676. %t A324041 Select[Range[3200000], !PalindromeQ[#] && PalindromeQ[#^(DivisorSigma[0, #]/2)] &] (* _Amiram Eldar_, Sep 02 2019 *) %o A324041 (PARI) ispal(n) = my(d=digits(n)); d == Vecrev(d); %o A324041 isok(n) = !ispal(n) && ispal(vecprod(divisors(n))); %Y A324041 Cf. A002113, A007955, A029742, A327325. %K A324041 nonn,base,more %O A324041 1,1 %A A324041 _Michel Marcus_, Sep 02 2019 %E A324041 a(8)-a(15) from _Giovanni Resta_, Sep 04 2019