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A052010 Smallest k such that the sum of the digits of n each raised to k-th power is greater than n, or 0 if no such k exists. 0
0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 4, 3, 2, 2, 2, 2, 2, 2, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 0, 0, 7, 5, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..104.

EXAMPLE

103 needs k at least equal to 5 because 1^5 + 0^5 + 3^5 = 244 > 103.

CROSSREFS

Sequence in context: A117005 A263204 A194322 * A138471 A102669 A248327

Adjacent sequences:  A052007 A052008 A052009 * A052011 A052012 A052013

KEYWORD

nonn,base,changed

AUTHOR

Patrick De Geest, Nov 15 1999

STATUS

approved

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Last modified October 22 19:53 EDT 2019. Contains 328319 sequences. (Running on oeis4.)