Search: id:A007357
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%I A007357 M4267
%S A007357 6,60,90,36720,12646368,22276800,126463680,4201148160,28770487200,
%T A007357 287704872000,1446875426304,2548696550400,14468754263040,
%U A007357 590325173932032,3291641594841600,8854877608980480,32916415948416000
%N A007357 Infinitary perfect numbers.
%D A007357 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A007357 G. L. Cohen, On an integer's infinitary divisors, Math. Comp., 54 (1990), 
               395-411.
%D A007357 G. L. Cohen, personal communication.
%H A007357 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               InfinitaryPerfectNumber.html">Link to a section of The World of Mathematics.</
               a>
%Y A007357 Sequence in context: A136937 A074452 A007358 this_sequence A002827 A137498 
               A036283
%Y A007357 Adjacent sequences: A007354 A007355 A007356 this_sequence A007358 A007359 
               A007360
%K A007357 nonn
%O A007357 1,1
%A A007357 N. J. A. Sloane (njas(AT)research.att.com).
%E A007357 More terms from Eric Weisstein (eric(AT)weisstein.com), Jan 27, 2004.

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