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A086938 Smallest m with A086571(m) = n. 7

%I #6 May 28 2015 18:35:54

%S 1,4,3,8,5,18,7,16,27,20,11,48,13,28,15,64,17,54,19,40,21,44,23,96,25,

%T 52,81,56,29,90,31,128,33,68,35,144,37,76,39,200,41,126,43,88,135,92,

%U 47,192,49,250,51,104,53,162,55,112,57,116,59,360,61,124,189,256

%N Smallest m with A086571(m) = n.

%C a(n) < A086939(n); A086571(a(n)) = A086571(A086939(n)) = n;

%C n and A086571 are divisors of a(n);

%C a(n) = A086572(A086939(n)), A086939(n) = A086572(a(n)).

%H Ivan Neretin, <a href="/A086938/b086938.txt">Table of n, a(n) for n = 1..10000</a>

%K nonn

%O 1,2

%A _Reinhard Zumkeller_, Jul 24 2003

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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)