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A184394 The largest number m such that sigma(m) = A007368(n), where A007368(n) = the smallest k such that sigma(x) = k has exactly n solutions. 4

%I #12 Oct 27 2012 10:13:38

%S 1,11,23,77,71,167,239,299,359,503,527,1511,1007,943,719,2201,3427,

%T 5207,2419,2059,1439,10187,12811,3359,3901,3023,6887,6719,2879,6319,

%U 10799,13103,5039,6047,4189,13193,5609,18719,20437,18871,22679,43259,27707,25853

%N The largest number m such that sigma(m) = A007368(n), where A007368(n) = the smallest k such that sigma(x) = k has exactly n solutions.

%C A184393(n) is the sequence of the smallest such numbers. Row n of A201915 gives all n values satisfying sigma(x) = A007368(n).

%H Donovan Johnson, <a href="/A184394/b184394.txt">Table of n, a(n) for n = 1..1000</a>

%e For n = 5, sequence of defined numbers m_5: 30, 46, 51, 55, 71; a(5) = 71.

%K nonn

%O 1,2

%A _Jaroslav Krizek_, Jan 12 2011

%E Extended by _T. D. Noe_, Jan 24 2012

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Last modified March 28 08:22 EDT 2024. Contains 371236 sequences. (Running on oeis4.)