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%I #9 Feb 10 2021 01:09:41
%S 525,705,1725,25935,50325,61755,72345,231735,436821,473109,1188525,
%T 2308911,3353025,4876437,4953165,5928285,7739985,8019375,8224125,
%U 18163299,24088155,28393365,32717685,40981125,46830225,89995191
%N Odd numbers k such that A(k) == 0 (mod k) (see Comments for details).
%C For the definition of A(k), see Cosgrave, Dilcher, 2013, (3.2).
%C The values of a(1)-a(26) are given in Cosgrave, Dilcher, 2013, table 1.
%H John B. Cosgrave and Karl Dilcher, <a href="https://www.johnbcosgrave.com/perch/resources/on-a-congruence-of-emma-lehmer-...-aa-sent-to-us.pdf">On a congruence of Emma Lehmer related to Euler numbers</a>, Acta Arithmetica 161 (2013), 47-67; DOI:<a href="https://doi.org/10.4064/aa161-1-4">10.4064/aa161-1-4</a>.
%K nonn,more
%O 1,1
%A _Felix Fröhlich_, May 16 2019
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