A030593 - OEIS

%I #6 Feb 05 2023 18:04:46

%S 22,24,26,71,74,77,125,128,131,179,182,185,196,199,202,205,208,211,

%T 214,217,220,223,226,229,232,233,235,236,238,239,241,244,247,287,290,

%U 293,354,358,362,426,430,434,498,502,506,570,574

%N Position of n-th 4 in A030588.

%t Position[Flatten[Table[IntegerDigits[2n-1,6],{n,200}]],4]//Flatten (* _Harvey P. Dale_, Feb 05 2023 *)

%K nonn

%O 1,1

%A _Clark Kimberling_