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A242374 Number of digits in the decimal expansion of n^8. 0
1, 1, 3, 4, 5, 6, 7, 7, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..67.

FORMULA

a(n) = A055642(n^8) = A055642(A001016(n)).

EXAMPLE

For n=1, a(1)=1 because 1^8=1, 1 digit.

For n=9, a(9)=8 because 9^8=43046721, 8 digits.

PROG

(PARI) a(n) = #Str(n^8); \\ Michel Marcus, May 12 2014

CROSSREFS

Sequence in context: A168093 A095254 A262980 * A225179 A121857 A121854

Adjacent sequences:  A242371 A242372 A242373 * A242375 A242376 A242377

KEYWORD

nonn,base,easy

AUTHOR

Michelle Tu, May 12 2014

EXTENSIONS

More terms from Michel Marcus, May 12 2014

STATUS

approved

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Last modified February 20 04:32 EST 2020. Contains 332063 sequences. (Running on oeis4.)