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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

Table of n, a(n) for n=1..14.

CROSSREFS

Cf. A092993, A092994, A092995.

Sequence in context: A223159 A223158 A241963 * A210712 A260175 A166580

Adjacent sequences: A092989 A092990 A092991 * A092993 A092994 A092995

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 January 29 01:41 EST 2023. Contains 359905 sequences. (Running on oeis4.)