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A043568
Number of runs in base-16 representation of n.
3
1, 1, 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, 2, 1, 2, 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, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2
OFFSET
0,17
COMMENTS
Differs from A043543 if we consider for example numbers which are palindromic in base 16 with 3 (2 distinct) digits. - R. J. Mathar, Oct 20 2008
Every positive integers occurs infinitely many times. See A297770 for a guide to related sequences. - Clark Kimberling, Feb 04 2018
LINKS
MATHEMATICA
b = 16; s[n_] := Length[Split[IntegerDigits[n, b]]];
Table[s[n], {n, 0, 200}]
CROSSREFS
Cf. A297783 (number of distinct runs), A297770.
Sequence in context: A043542 A043567 A297784 * A043543 A237684 A130634
KEYWORD
nonn,base
STATUS
approved