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Smallest number m such that sigma(m) is an n-almost prime.
5

%I #5 Jul 26 2012 10:58:26

%S 2,3,6,14,21,42,93,186,381,651,1302,2667,5334,11811,23622,49146,82677,

%T 165354,344022,761763,1523526,2752491,5332341,10664682,21845397,

%U 43690794,85327221,170654442,341310837,677207307,1354414614,2796546858,6192353757,10836557067

%N Smallest number m such that sigma(m) is an n-almost prime.

%e a(32) = 2796546858. Sigma(2796546858) = 6442450944 = 2^31*3^1 (32-almost prime).

%Y Cf. A000203.

%K nonn

%O 1,1

%A _Donovan Johnson_, Nov 24 2008

%E a(33)-a(34) from _Donovan Johnson_, Jul 25 2012