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!)
A043556 Number of runs in base-4 representation of n. 2

%I #9 Feb 04 2018 12:35:31

%S 1,1,1,1,2,1,2,2,2,2,1,2,2,2,2,1,2,3,3,3,2,1,2,2,3,3,2,3,3,3,3,2,2,3,

%T 3,3,3,2,3,3,2,2,1,2,3,3,3,2,2,3,3,3,3,2,3,3,3,3,2,3,2,2,2,1,2,3,3,3,

%U 4,3,4,4,4,4,3,4,4,4,4,3,2,3,3,3,2,1,2,2,3,3

%N Number of runs in base-4 representation of n.

%C Every positive integers occurs infinitely many times. See A297770 for a guide to related sequences.

%t b = 4; s[n_] := Length[Split[IntegerDigits[n, b]]];

%t Table[s[n], {n, 1, 200}]

%Y Cf. A297772 (number of distinct runs), A297770.

%K nonn,base

%O 0,5

%A _Clark Kimberling_

%E Updated by _Clark Kimberling_, Feb 03 2018

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)