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%I #12 Aug 20 2021 04:21:42
%S 1,3,9,29,103,171,417,819,883,1733,36603,257577
%N Numbers k that divide A109431(k); or k such that A109431(k) is a Niven number.
%e a(3)=9 because 100101100110100101/9 = 11122344456677789.
%Y Cf. A005349, A109431.
%K nonn,base,more
%O 1,2
%A _Jason Earls_, Jun 28 2005
%E a(10)-a(12) from _Max Alekseyev_, Nov 11 2012
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