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%I A090520 #5 Dec 05 2013 19:56:38
%S A090520 5,7,43,769,1123,52631,1428571,2127659,14925373,769230769,5882352941,
%T A090520 6369426751,588235294117,319488817891,9345794392523,24449877750611,
%U A090520 662251655629139,1293661060802069,67114093959731543,244498777506112469
%N A090520 Primes arising in A090519, or 0 if A090519(n)= 0.
%C A090520 Conjecture: No term is zero.
%o A090520 (PARI) A090520(n)={ local(p,tenn) ; p=2 ; tenn=10^n ; while(tenn/p>=2, if( isprime(floor(tenn/p)), return(floor(tenn/p)) ) ; p=nextprime(p+1) ; ) ; return(0) ; } { for(n=1,40, print1(A090520(n),",") ; ) } - _R. J. Mathar_, Nov 19 2006
%Y A090520 Cf. A090517, A090518, A090519.
%K A090520 base,nonn
%O A090520 1,1
%A A090520 _Amarnath Murthy_, Dec 07 2003
%E A090520 Corrected and extended by _R. J. Mathar_, Nov 19 2006

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