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Search: id:A090520
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| 5, 7, 43, 769, 1123, 52631, 1428571, 2127659, 14925373, 769230769, 5882352941, 6369426751, 588235294117, 319488817891, 9345794392523, 24449877750611, 662251655629139, 1293661060802069, 67114093959731543, 244498777506112469
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OFFSET
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1,1
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COMMENT
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Conjecture: No term is zero.
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PROGRAM
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(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 (mathar(AT)strw.leidenuniv.nl), Nov 19 2006
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CROSSREFS
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Cf. A090517, A090518, A090519.
Sequence in context: A093526 A098512 A064082 this_sequence A066219 A075830 A058313
Adjacent sequences: A090517 A090518 A090519 this_sequence A090521 A090522 A090523
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KEYWORD
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base,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Dec 07 2003
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EXTENSIONS
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Corrected and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 19 2006
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