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%I #14 Feb 06 2019 09:07:51
%S 8,6,9,4,1,9,3,9,9
%N Decimal expansion of the asymptotic density of e-perfect numbers (A054979).
%H Peter Hagis, <a href="http://dx.doi.org/10.1155/S0161171288000407">Some results concerning exponential divisors</a>, International Journal of Mathematics and Mathematical Sciences, Vol. 11 No. 2 (1988), pp. 343-349.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/e-PerfectNumber.html">e-Perfect Number</a>
%F Equals Sum_{i>=1} beta(e(i))/e(i), where beta(n) = (6/Pi^2)*Product_{p|n}(p/(p+1)) and e(i) = A054980(i).
%e 0.00869419399...
%Y Cf. A049419, A051377, A054979, A054980.
%K nonn,cons,more
%O -2,1
%A _Amiram Eldar_, Aug 31 2018
%E Offset corrected by _Jianing Song_, Feb 06 2019
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