A090568 Least m such that m^n begins with k^(n-1) for some k > 1.

1, 2, 4, 3, 7, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10

Offset: 1

Author

Amarnath Murthy, Dec 11 2003

Keywords

• base
• nonn

Comments

a(n) = 10 for 6 <= n <= 500 (I haven't checked past 500.) - David Wasserman, Jan 05 2006

Crossrefs

Cf. A090561.

Formula

a(n) = A090561(n)^(1/n). - David Wasserman, Jan 05 2006

Extensions

Corrected and extended by David Wasserman, Jan 05 2006