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%I #8 Jun 10 2016 05:08:19
%S 7581,988893,1658073,468539757,35124206517
%N Numbers n such that sigma(n^2) mod sigma(n) = n.
%C a(6) > 10^12. - _Giovanni Resta_, Jun 10 2016
%Y Cf. A000203 (sigma(n) = sum of divisors of n), A065764, A232703, A247222.
%K nonn,more
%O 1,1
%A _Alex Ratushnyak_, Nov 25 2013
%E a(5) from _Giovanni Resta_, Jun 10 2016
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