A043881 - OEIS

%I #11 Aug 25 2021 04:53:01

%S 8,18,24,35,40,50,56,66,75,82,88,99,104,114,120,143,146,152,163,168,

%T 178,184,194,203,210,216,227,232,242,248,258,267,274,280,303,306,312,

%U 322,331,338,344,355,360,370,376,399,402,408,419

%N Numbers k such that 0 and 2 occur juxtaposed in the base-4 representation of k but not of k+1.

%Y Cf. A007090.

%K nonn,base

%O 1,1

%A _Clark Kimberling_