%I A061765
%S A061765 1,4,5,8,12,20,9,24,14,30,20,40,24,36,36,32,30,56,30,96,33,50,36,
%T A061765 120,32,96,54,72,72,90,33,80,68,84,68,112,60,120,72,180,96,132,
%U A061765 60,160,168,90,68,160,80,128,90,150,84,216,90,216,102,180,120,288
%N A061765 usigma(sigma(n)), where usigma(n) is the sum of unitary divisors of n 
               (A034448) and sigma(n) is the sum of the divisors (A000203).
%Y A061765 Sequence in context: A047609 A027975 A011980 this_sequence A133940 A030978 
               A101948
%Y A061765 Adjacent sequences: A061762 A061763 A061764 this_sequence A061766 A061767 
               A061768
%K A061765 nonn
%O A061765 1,2
%A A061765 N. J. A. Sloane (njas(AT)research.att.com), Oct 30 2001