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A067083 Number of digits in n^{n^(n-1)}. 0
1, 2, 5, 39, 437, 6051, 99425, 1893917, 41077012, 1000000001, 27011044252, 801840699303, 25952747043667, 909698753958571, 34333545124721025, 1388255822130839284, 59875111056395524697, 2743914679527468673294 (list; graph; refs; listen; history; text; internal format)
OFFSET

10,2

LINKS

Table of n, a(n) for n=10..27.

FORMULA

for n>2 a(n) = floor(n^(n-1)*log(n)/log(10)) + 1 - Benoit Cloitre, Feb 20 2002

EXAMPLE

a(4) = 39 as 4^(4^3)=4^64 = 3.4028236692093846346337460743177e+38.

CROSSREFS

Sequence in context: A135378 A077398 A255550 * A183255 A109003 A120031

Adjacent sequences:  A067080 A067081 A067082 * A067084 A067085 A067086

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Jan 05 2002

EXTENSIONS

More terms from Benoit Cloitre, Feb 20 2002

STATUS

approved

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Last modified February 16 20:45 EST 2019. Contains 320189 sequences. (Running on oeis4.)