A124310 - OEIS

%I #17 Dec 15 2024 15:46:20

%S 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)=29.

%C Practically the same as A124263. - _R. J. Mathar_, Jun 18 2008

%H Vincenzo Librandi, <a href="/A124310/b124310.txt">Table of n, a(n) for n = 1..200</a>

%t NestList[NextPrime[10#,-1]&,29,20] (* _Harvey P. Dale_, Aug 19 2011 *)

%Y Cf. A124262, A124263.

%K nonn

%O 1,1

%A _Artur Jasinski_, Dec 16 2006, corrected Jan 25 2007