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A043617 Numbers whose base-7 representation has exactly 2 runs. 0

%I #11 Apr 23 2021 05:16:09

%S 7,9,10,11,12,13,14,15,17,18,19,20,21,22,23,25,26,27,28,29,30,31,33,

%T 34,35,36,37,38,39,41,42,43,44,45,46,47,49,56,58,59,60,61,62,65,73,81,

%U 89,97,98,106,112,113,115,116,117,118,122,130

%N Numbers whose base-7 representation has exactly 2 runs.

%Y Cf. A007093.

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified July 18 06:32 EDT 2024. Contains 374377 sequences. (Running on oeis4.)