A044237 - OEIS

%I #7 Mar 05 2023 13:34:54

%S 50,114,178,242,306,370,400,434,498,562,626,690,754,818,882,912,946,

%T 1010,1074,1138,1202,1266,1330,1394,1424,1458,1522,1586,1650,1714,

%U 1778,1842,1906,1936,1970,2034,2098,2162,2226,2290,2354

%N Numbers n such that string 6,2 occurs in the base 8 representation of n but not of n-1.

%t SequencePosition[Table[If[SequenceCount[IntegerDigits[n,8],{6,2}]>0,1,0],{n,2500}],{0,1}][[;;,2]] (* _Harvey P. Dale_, Mar 05 2023 *)

%K nonn,base

%O 1,1

%A _Clark Kimberling_