login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

Number of runs in base-12 representation of n.
2

%I #9 Apr 23 2021 21:54:34

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

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

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

%N Number of runs in base-12 representation of n.

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

%t b = 12; s[n_] := Length[Split[IntegerDigits[n, b]]];

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

%Y Cf. A297780 (number of distinct runs), A297770.

%K nonn,base

%O 0,13

%A _Clark Kimberling_