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A004429 Geometric mean of digits of n (rounded to nearest integer). 5
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 0, 1, 2, 2, 3, 3, 3, 4, 4, 4, 0, 2, 2, 3, 3, 4, 4, 5, 5, 5, 0, 2, 3, 3, 4, 4, 5, 5, 6, 6, 0, 2, 3, 4, 4, 5, 5, 6, 6, 7, 0, 2, 3, 4, 5, 5, 6, 6, 7, 7, 0, 3, 4, 5, 5, 6, 6, 7, 7, 8, 0, 3, 4, 5, 6, 6, 7, 7, 8, 8, 0, 3, 4, 5, 6, 7, 7, 8, 8, 9, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..107.

PROG

(PARI) A004429(n)=round(sqrtn(prod(i=1, #n=digits(n), n[i]), #n)) \\ M. F. Hasler, May 10 2015

CROSSREFS

Cf. A004428, A007954,  A257830.

Sequence in context: A115353 A031298 A004428 * A004426 A262188 A004430

Adjacent sequences:  A004426 A004427 A004428 * A004430 A004431 A004432

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 17 17:59 EST 2020. Contains 331999 sequences. (Running on oeis4.)