%I #7 Aug 25 2021 05:05:28
%S 42,55,91,104,140,153,189,202,238,251,287,300,336,349,391,398,434,447,
%T 483,496,532,545,581,594,630,643,679,692,734,741,777,790,826,839,875,
%U 888,924,937,973,986,1022,1035,1077,1084,1120
%N Numbers k such that 0 and 6 occur juxtaposed in the base-7 representation of k but not of k+1.
%Y Cf. A007093.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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