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 A137231 Amicable triples.  Sequence gives sigma values: A125490(n) + A125491(n) + A125492(n). 17

%I

%S 6552,30240,70680,87360,120960,120960,120960,138240,157248,157248,

%T 161280,196560,211680,229320,241920,241920,241920,241920,262080,

%U 280800,290160,302400,338688,362880,362880,393120,393120,446400,446400,483840

%N Amicable triples. Sequence gives sigma values: A125490(n) + A125491(n) + A125492(n).

%C Or, apply n -> sigma(n) to any of A125490-A125492.

%H John Cerkan, <a href="/A137231/b137231.txt">Table of n, a(n) for n = 1..10000</a> [Terms 1 through 1000 were computed by Donovan Johnson]

%Y Cf. A125490-A125492.

%K nonn

%O 1,1

%A _N. J. A. Sloane_, Nov 27 2008, at the suggestion of _R. K. Guy_.

%E a(13)-a(30) from _Donovan Johnson_, Apr 14 2010

%E Name edited by _John Cerkan_, Jun 18 2016

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Last modified October 15 15:03 EDT 2019. Contains 328030 sequences. (Running on oeis4.)