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A090520
Primes arising in A090519, or 0 if A090519(n)= 0.
4
5, 7, 43, 769, 1123, 52631, 1428571, 2127659, 14925373, 769230769, 5882352941, 6369426751, 588235294117, 319488817891, 9345794392523, 24449877750611, 662251655629139, 1293661060802069, 67114093959731543, 244498777506112469
OFFSET
1,1
COMMENTS
Conjecture: No term is zero.
PROG
(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
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Dec 07 2003
EXTENSIONS
Corrected and extended by R. J. Mathar, Nov 19 2006
STATUS
approved