%I #7 Nov 12 2021 17:23:22
%S 10,46,60,82,118,154,190,226,262,276,298,334,360,406,442,478,492,514,
%T 550,586,622,658,694,708,730,766,802,838,874,910,924,946,982,1018,
%U 1054,1090,1126,1140,1162,1198,1234,1270,1306,1342
%N Numbers n such that string 1,4 occurs in the base 6 representation of n but not of n-1.
%t SequencePosition[Table[If[SequenceCount[IntegerDigits[n,6],{1,4}]>0,1,0],{n,1400}],{0,1}][[All,2]] (* _Harvey P. Dale_, Nov 12 2021 *)
%K nonn,base
%O 1,1
%A _Clark Kimberling_