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A068216
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a(n) is the smallest n-digit pseudoprime (to base 2).
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3
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341, 1105, 10261, 101101, 1004653, 10004681, 100017223, 1001152801, 10000321321, 100004790097, 1000001376901, 10000130243671, 100000105970311, 1000000191735161, 10000006286491369, 100000010102756401, 1000000114865704261, 10000000494514450733
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listen;
history;
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internal format)
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OFFSET
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3,1
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LINKS
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Table of n, a(n) for n=3..20.
P. De Geest, Smallest n-digit pseudoprimes (base 2)
Index entries for sequences related to pseudoprimes
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CROSSREFS
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Cf. A001567, A067845, A001262, A062568, A062852.
Sequence in context: A066488 A291601 A083876 * A038473 A276733 A050217
Adjacent sequences: A068213 A068214 A068215 * A068217 A068218 A068219
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KEYWORD
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nonn,base
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AUTHOR
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Patrick De Geest and Shyam Sunder Gupta, Feb 21 2002
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EXTENSIONS
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One more term from Farideh Firoozbakht, Jan 10 2007
More terms from Jens Kruse Andersen, May 11 2008
Offset corrected by Arkadiusz Wesolowski, Dec 14 2011
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STATUS
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approved
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