login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
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

Clark Kimberling

EXTENSIONS

More terms from Antti Karttunen, Oct 08 2017

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

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