A043909 - OEIS

%I #11 Aug 25 2021 04:55:38

%S 23,33,59,69,95,105,131,143,167,177,203,213,239,249,275,285,311,321,

%T 347,359,383,393,419,429,455,465,491,501,527,537,563,575,599,609,635,

%U 645,671,681,707,717,743,753,779,791,815,825,863

%N Numbers k such that 3 and 5 occur juxtaposed in the base-6 representation of k but not of k+1.

%Y Cf. A007092.

%K nonn,base

%O 1,1

%A _Clark Kimberling_