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A285094 Corresponding values of geometric means of digits of numbers from A061430. 1

%I #8 Sep 08 2022 08:46:19

%S 0,1,2,3,4,5,6,7,8,9,0,1,2,3,0,2,4,0,3,0,2,4,6,0,5,0,6,0,7,0,4,8,0,3,

%T 6,9,0,0,0,0,0,0,0,0,0,0,0,1,2,0,2,0,3,0,2,0,0,0,0,2,4,0,3,0,0,0,0,0,

%U 0,0,0,0,0,0,2,0,2,0,0,2,4,0,0,0,0,4,0

%N Corresponding values of geometric means of digits of numbers from A061430.

%H Jaroslav Krizek, <a href="/A285094/b285094.txt">Table of n, a(n) for n = 0..3000</a>

%o (Magma) [0] cat [Floor(&*Intseq(n) ^ (1/#Intseq(n))): n in [1..100000] | IsIntegral(&*Intseq(n) ^ (1/#Intseq(n)))]

%Y Cf. A061430 (numbers with integer geometric mean of digits in base 10).

%Y Sequences of numbers n such that a(n) = k for k = 0 - 9: A011540 (k = 0), A002275 (k = 1), A061426 (k = 2), A061427 (k = 3), A061428 (k = 4), A002279 (k = 5), A061429 (k = 6), A002281 (k = 7), A002282 (k = 8), A002283 (k = 9).

%K nonn,base

%O 0,3

%A _Jaroslav Krizek_, Apr 14 2017

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Last modified June 7 09:09 EDT 2024. Contains 373161 sequences. (Running on oeis4.)