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%I #7 Jun 28 2014 08:25:33
%S 41,409,4079,40787,407861,4078609,40786087,407860853,4078608529,
%T 40786085251,407860852417,4078608524153,40786085241529,
%U 407860852415231,4078608524152277,40786085241522707,407860852415227039
%N Largest prime < 10*a(n-1), a(1)=41.
%H Vincenzo Librandi, <a href="/A124338/b124338.txt">Table of n, a(n) for n = 1..200</a>
%t NestList[NextPrime[10 #, -1]&, 41, 30] (* _Vincenzo Librandi_, Jun 28 2014 *)
%Y Cf. A006902, A040016, A120031-A120041.
%K nonn
%O 1,1
%A _Artur Jasinski_, Dec 16 2006