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%I #11 Aug 22 2021 15:44:07
%S 8,18,24,32,40,50,56,66,72,82,88,96,104,114,120,128,146,152,160,168,
%T 178,184,194,200,210,216,224,232,242,248,258,264,274,280,288,306,312,
%U 322,328,338,344,352,360,370,376,384,402,408,416
%N Numbers k such that 0 and 2 occur juxtaposed in the base-4 representation of k but not of k-1.
%t jxQ[n_]:=MemberQ[Sort/@Partition[IntegerDigits[n,4],2,1],{0,2}]; Select[ Range[450],jxQ[#]&&!jxQ[#-1]&] (* _Harvey P. Dale_, Feb 23 2012 *)
%Y Cf. A007090.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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