|
%I #11 Nov 14 2019 09:39:14
%S 0,1,2,3,4,5,6,5,3,9,2,9,12,7,9,8,8,13,16,7,7,10,14,13,18,14,13,11,5,
%T 10,10,8,11,11,7,7,14,15,5,9,30,11,8,17,15,11,11,14,20,20,20,15,21,19,
%U 25,19,15,17,17,17,22,25,20,25,19,19,19,27,19,19,27,17,19,27,19,21,23,20
%N Exponent of highest power of 2 dividing the n-th multiply perfect number A007691.
%C The large terms, for example at n=41, correspond to the perfect numbers A000396 in A007691. See A134666 for the number of multiply perfect numbers having a given highest exponent of 2.
%H T. D. Noe, <a href="/A134665/b134665.txt">Table of n, a(n) for n=1..5000</a> (using Flammenkamp's data)
%H Achim Flammenkamp, <a href="http://wwwhomes.uni-bielefeld.de/achim/mpn.html">The Multiply Perfect Numbers Page</a>
%F a(n) = A007814(A007691(n)). - _Michel Marcus_, Oct 10 2017
%Y Cf. A007814, A007691.
%K nonn
%O 1,3
%A _T. D. Noe_, Nov 05 2007
|
