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%I #7 Jul 01 2017 17:48:39
%S 2,13,89,619,4327,30271,211891,1483231,10382599,72678187,508747279,
%T 3561230947,24928616591,174500315999,1221502211987,8550515483903,
%U 59853608387317,418975258711193,2932826810978261,20529787676847809
%N a(n) is largest prime < 7*a(n-1).
%H Artur Jasinski, <a href="/A126035/b126035.txt">Table of n, a(n) for n = 1..40</a>
%t NestList[NextPrime[7#,-1]&,2,20] (* _Harvey P. Dale_, Jul 01 2017 *)
%Y Cf. A006902, A040016, A120031-A120040.
%K nonn
%O 1,1
%A _Artur Jasinski_, Dec 16 2006
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