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%I #8 Aug 22 2021 15:43:13
%S 8,16,33,40,58,66,80,91,108,116,133,141,158,165,183,191,200,233,241,
%T 258,266,283,290,308,316,330,341,358,366,383,391,400,433,441,455,466,
%U 483,491,508,516,533,540,558,566,580,591,608,616
%N Numbers k such that 1 and 3 occur juxtaposed in the base-5 representation of k but not of k-1.
%Y Cf. A007091.
%K nonn,base
%O 1,1
%A _Clark Kimberling_