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.

A328255 Amicable pairs with the property that the number of divisors of the smaller member is smaller than the number of divisors of the larger member.

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%I A328255 #18 Oct 17 2019 01:57:31
%S A328255 469028,486178,1511930,1598470,4246130,4488910,5232010,5799542,
%T A328255 10533296,10949704,11693290,12361622,20308995,20955645,37784810,
%U A328255 39944086,46991890,48471470,48641584,48852176,80422335,82977345,96304845,96747315,103034776,105016424,115749344,116983744,118458830,131819506
%N A328255 Amicable pairs with the property that the number of divisors of the smaller member is smaller than the number of divisors of the larger member.
%C A328255 Amicable pairs(x,y) such that d(x) < d(y), where d(n) is the number of divisors of n.
%H A328255 Amiram Eldar, <a href="/A328255/b328255.txt">Table of n, a(n) for n = 1..20000</a>
%e A328255 Consider the amicable pair [469028, 486178]. The smaller member has 18 divisors and the larger member has 36 divisors. 18 is smaller than 36, so the amicable pair [469028, 486178] is in the sequence.
%Y A328255 Subsequence of A259180.
%Y A328255 Cf. A000005, A002025, A002046, A328009, A328043, A328063, A328064, A328065.
%K A328255 nonn
%O A328255 1,1
%A A328255 _Omar E. Pol_, Oct 09 2019
%E A328255 More terms from _Amiram Eldar_, Oct 09 2019