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A092992 Smallest prime of the form concatenation of prime(n) with itself followed by a 1. 3
2221, 31, 555555555551, 71, 1111111111111111111, 131, 1717171717171717171717171717171, 191, 2323231, 29292929291, 311, 3737373737373737373737371, 41411, 431 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Next prime, if it exists, is > 10^70. - Sam Alexander, Jan 09 2005
LINKS
CROSSREFS
Sequence in context: A223159 A223158 A241963 * A210712 A260175 A166580
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Mar 28 2004
EXTENSIONS
More terms from Sam Alexander, Jan 09 2005
STATUS
approved

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Last modified July 14 20:12 EDT 2024. Contains 374323 sequences. (Running on oeis4.)