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

Author

Amarnath Murthy, Feb 21 2002

Keywords

• base
• easy
• nonn

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.

Extensions

Corrected and extended by Jacques Tramu, Jan 27 2007