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%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_