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%I #5 Dec 15 2017 17:35:54
%S 1,73,247,2573,2627,2839,3379,5609,7501,9113,9827,10081,10877,11531,
%T 12851,13949,14909,16279,16367,17323,18833,22151,26039,26753,29749,
%U 31589,31807,34099,35039,35711,36517,36991,39049,41353,43289,43679
%N Reverse of smallest prime factor of n = largest prime factor of n+1; a(1)=1.
%e 122329 is here since 122329 = '149'.821 and 122330 = 2.5.13.'941'.
%Y Cf. A006530, A020639.
%K base,nonn
%O 1,2
%A _Jason Earls_, Jun 12 2002
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