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%I #17 Dec 15 2024 14:27:33
%S 3,29,283,2819,28183,281807,2818043,28180393,281803927,2818039241,
%T 28180392407,281803924067,2818039240619,28180392406171,
%U 281803924061641,2818039240616359,28180392406163579,281803924061635783,2818039240616357827,28180392406163578069,281803924061635780589
%N Largest prime < 10*a(n-1), a(1)=3.
%H Vincenzo Librandi, <a href="/A124263/b124263.txt">Table of n, a(n) for n = 1..200</a>
%t NestList[NextPrime[10#,-1]&,3,20] (* _Harvey P. Dale_, Jun 10 2011 *)
%Y Cf. A124262.
%K nonn
%O 1,1
%A _Artur Jasinski_, Dec 16 2006