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Numbers k such that 6 and 8 occur juxtaposed in the base-9 representation of k but not of k-1.
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%I #9 Aug 23 2021 08:47:39

%S 62,78,143,159,224,240,305,321,386,402,467,483,548,558,629,645,702,

%T 726,791,807,872,888,953,969,1034,1050,1115,1131,1196,1212,1277,1287,

%U 1358,1374,1431,1455,1520,1536,1601,1617,1682,1698

%N Numbers k such that 6 and 8 occur juxtaposed in the base-9 representation of k but not of k-1.

%Y Cf. A007095.

%K nonn,base

%O 1,1

%A _Clark Kimberling_