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A043540 Number of distinct base 13 digits of n. 1

%I

%S 1,1,1,1,1,1,1,1,1,1,1,1,2,1,2,2,2,2,2,2,2,2,2,2,2,2,2,1,2,2,2,2,2,2,

%T 2,2,2,2,2,2,2,1,2,2,2,2,2,2,2,2,2,2,2,2,2,1,2,2,2,2,2,2,2,2,2,2,2,2,

%U 2,1,2,2,2,2,2,2,2,2,2,2,2,2,2,1,2,2,2,2,2,2

%N Number of distinct base 13 digits of n.

%o (PARI) vector(90, n, #vecsort(digits(n,13),,8)) \\ _Michel Marcus_, Aug 19 2015

%K nonn,base

%O 1,13

%A _Clark Kimberling_

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Last modified March 24 19:33 EDT 2019. Contains 321448 sequences. (Running on oeis4.)