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Numbers whose base-7 representation has exactly 6 runs.
0

%I #9 Apr 25 2021 01:26:59

%S 17157,17159,17160,17161,17162,17163,17164,17165,17167,17168,17169,

%T 17170,17171,17172,17173,17175,17176,17177,17178,17179,17180,17181,

%U 17183,17184,17185,17186,17187,17188,17189,17191

%N Numbers whose base-7 representation has exactly 6 runs.

%Y Cf. A007093.

%K nonn,base

%O 1,1

%A _Clark Kimberling_