OFFSET
1,1
MATHEMATICA
SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 6], {4, 0}]>0, 1, 0], {n, 1400}], {1, -0}][[;; , 1]] (* Harvey P. Dale, Jul 29 2023 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved