A068120 Smallest prime beginning with exactly n n's.

13, 223, 3331, 44449, 555557, 66666629, 777777701, 888888883, 99999999907, 1010101010101010101039, 11111111111111111111111, 12121212121212121212121223, 1313131313131313131313131301, 141414141414141414141414141497, 15151515151515151515151515151501

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

Sean A. Irvine, Table of n, a(n) for n = 1..100 (terms 1..35 from Jacques Tramu and Dan Dima)

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