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%I #11 May 03 2018 17:49:18
%S 1,2,4,12,16,48,144,720,1296,6480,32400,184320,331776,1658880,8294400,
%T 58060800,65536,196608,589824,2949120,5308416,26542080,132710400,
%U 928972800,3317760000,23224320000,162570240000,1788272640000,7965941760000,87625359360000
%N a(n) is the least k > 0 such that A303809(k) = 2^n.
%C All terms belongs to A025487.
%H Rémy Sigrist, <a href="/A303819/b303819.txt">Table of n, a(n) for n = 0..180</a>
%H Rémy Sigrist, <a href="/A303819/a303819.gp.txt">PARI program for A303819</a>
%H Rémy Sigrist, <a href="/A303819/a303819.png">Scatterplot of (n, k) such that n, k <= 286 and a(k) divides a(n)</a>
%o (PARI) See Links section.
%Y Cf. A025487, A303809.
%K nonn
%O 0,2
%A _Rémy Sigrist_, May 01 2018
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