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Search: id:A062852
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| A062852 |
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Largest n-digit strong pseudoprimes (in base 2). |
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+0
6
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| 8321, 90751, 983401, 9995671, 99789673, 999828727, 9998721001, 99973476433, 999855751441, 9998974546471, 99999760517281, 999985147456681
(list; graph; listen)
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OFFSET
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4,1
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LINKS
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Patrick De Geest, Smallest n-digit pseudoprimes(base 2)
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EXAMPLE
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a(1)=8321 since 8321 is the largest strong pseudoprime (base 2) of 4 digit length.
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CROSSREFS
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Cf. A001567, A068216, A067845, A001262, A062568.
Sequence in context: A031679 A031589 A031769 this_sequence A124414 A124415 A031947
Adjacent sequences: A062849 A062850 A062851 this_sequence A062853 A062854 A062855
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KEYWORD
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hard,more,nonn,base
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AUTHOR
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Shyam Sunder Gupta (guptass(AT)rediffmail.com), Feb 13 2002
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EXTENSIONS
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Edited by Charles R Greathouse IV (charles.greathouse(AT)case.edu), Nov 01 2009
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