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 A043542 Number of distinct base-15 digits of n. 2
 1, 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, 2, 2, 1, 2, 2, 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, 2, 2, 1, 2, 2, 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, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,15 LINKS Antti Karttunen, Table of n, a(n) for n = 1..65536 MATHEMATICA Table[Length[Union[IntegerDigits[n, 15]]], {n, 110}] (* Harvey P. Dale, Jul 14 2020 *) PROG (PARI) A043542(n) = #vecsort(digits(n, 15), , 8); \\ Antti Karttunen, Oct 08 2017 CROSSREFS Cf. A043289, A043567. Sequence in context: A043566 A043541 A297783 * A043567 A297784 A043568 Adjacent sequences:  A043539 A043540 A043541 * A043543 A043544 A043545 KEYWORD nonn,base AUTHOR EXTENSIONS More terms from Antti Karttunen, Oct 08 2017 STATUS approved

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Last modified January 21 10:25 EST 2022. Contains 350477 sequences. (Running on oeis4.)