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A068120 Smallest prime beginning with exactly n n's. 3
13, 223, 3331, 44449, 555557, 66666629, 777777701, 888888883, 99999999907, 1010101010101010101039, 11111111111111111111111, 12121212121212121212121223, 1313131313131313131313131301 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A probabilistic argument suggests that this sequence will cease to be monotonically increasing around n = 10^8. - Martin Fuller, Jan 29 2007

LINKS

Jacques Tramu and Dan Dima, Table of n, a(n) for n = 1..35

CROSSREFS

See A088639 for another version.

Sequence in context: A140841 A062127 A178559 * A237602 A050523 A160196

Adjacent sequences:  A068117 A068118 A068119 * A068121 A068122 A068123

KEYWORD

base,easy,nonn

AUTHOR

Amarnath Murthy, Feb 21 2002

EXTENSIONS

Corrected and extended by Jacques Tramu, Jan 27 2007

STATUS

approved

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Last modified January 16 17:26 EST 2022. Contains 350376 sequences. (Running on oeis4.)