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URL: https://oeis.org/A090561

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A090561
Least n-th power that begins with k^(n-1) for some k > 1.
1
1, 4, 64, 81, 16807, 1000000, 10000000, 100000000, 1000000000, 10000000000, 100000000000, 1000000000000, 10000000000000, 100000000000000, 1000000000000000, 10000000000000000, 100000000000000000
OFFSET
1,2
COMMENTS
a(n) = 10^n for 6 <= n <= 500 (I haven't checked past 500.) - David Wasserman, Jan 05 2006
EXAMPLE
a(1) = 1 because 1 begins with 2^0. a(5) = 16807 because 16807 begins with 2^4.
CROSSREFS
Cf. A090568.
Cf. A067442.
Sequence in context: A367913 A381270 A210935 * A273375 A016934 A260182
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Dec 11 2003
EXTENSIONS
Corrected and extended by David Wasserman, Jan 05 2006
STATUS
approved