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A062852 Largest n-digit strong pseudoprimes (in base 2). 5
8321, 90751, 983401, 9995671, 99789673, 999828727, 9998721001, 99973476433, 999855751441, 9998974546471, 99999760517281, 999985147456681, 9999952887414577, 99999984319096601, 999999916795882627, 9999999995077192591 (list; graph; refs; listen; history; text; internal format)
OFFSET
4,1
LINKS
EXAMPLE
a(4)=8321 since 8321 is the largest 4-digit strong pseudoprime to base 2.
CROSSREFS
Sequence in context: A252155 A258676 A170778 * A124414 A124415 A233954
KEYWORD
hard,nonn,base
AUTHOR
Shyam Sunder Gupta, Feb 13 2002
EXTENSIONS
Edited by Charles R Greathouse IV, Nov 01 2009
a(16)-a(19) from Charles R Greathouse IV, Mar 14 2011
STATUS
approved

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Last modified February 24 21:21 EST 2024. Contains 370307 sequences. (Running on oeis4.)