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 A043540 Number of distinct base-13 digits of n. 1
 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, 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, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,13 LINKS MATHEMATICA Table[Length[Union[IntegerDigits[n, 13]]], {n, 120}] (* Harvey P. Dale, May 12 2019 *) PROG (PARI) vector(90, n, #vecsort(digits(n, 13), , 8)) \\ Michel Marcus, Aug 19 2015 CROSSREFS Sequence in context: A043539 A297781 A043565 * A297782 A043566 A043541 Adjacent sequences:  A043537 A043538 A043539 * A043541 A043542 A043543 KEYWORD nonn,base AUTHOR STATUS approved

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Last modified May 27 16:48 EDT 2022. Contains 354110 sequences. (Running on oeis4.)