%I #26 May 10 2019 16:10:27
%S 1,2,1,6,3,1,12,18,18,12,2,30,1,11,6,2,60,48,19,132,132,10,192,2,31,
%T 168,108,66,35,252,78,132,342,366,390,168,348,282,498,540,546,59,12,
%U 378,438,4,222,336,18,660,138,798,810,528,450,75,252,150,948,162
%N n-th term of A034897 is an a(n)-hyperperfect number.
%D R. K. Guy, Unsolved Problems in Number Theory, Sect. B2.
%D Roberts, Lure of the Integers, see Integer 28, p. 177.
%H Donovan Johnson, <a href="/A034898/b034898.txt">Table of n, a(n) for n = 1..10000</a>
%H Judson S. McCranie, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL3/mccranie.html">A Study of Hyperperfect Numbers</a>, Journal of Integer Sequences, Vol. 3 (2000), Article 00.1.3.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/HyperperfectNumber.html">Hyperperfect Number.</a>
%o (PARI) forcomposite(n=2, 10^8, if(1==Mod(n, sigma(n)-n-1), print1((n-1)/(sigma(n)-n-1)", "))) \\ _Hans Loeblich_, May 10 2019
%Y Cf. A034897.
%K nonn
%O 1,2
%A _Jud McCranie_
%E More terms from _Donovan Johnson_, Nov 20 2012