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A180326 The non-common part of the smaller number of an amicable pair. 2

%I #3 Mar 30 2012 17:22:56

%S 55,592,655,1255,779,1343,117,1081,685,4183,497,85,7975,2233,209,7648,

%T 17708,14231,10741,11017,23171,4471,70135,77155,22825,44551,27341,

%U 4786,31441,893,75049,76241,78023,79453,80417,166991,90763,7645,54982,112277

%N The non-common part of the smaller number of an amicable pair.

%C All terms are composite numbers. Very few duplicates occur: for the amicable numbers less than 10^14, a number appears at most twice.

%H T. D. Noe, <a href="/A180326/b180326.txt">Table of n, a(n) for n=1..10000</a>

%F a(n) = A002025(n) / gcd(A002025(n),A002046(n)) = A002025(n) / A061469(n).

%Y Cf. A180327 (non-common part of the larger number of an amicable pair)

%K nonn

%O 1,1

%A _T. D. Noe_, Sep 07 2010

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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)