OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
MATHEMATICA
SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 9], {0, 6}]>0||SequenceCount[ IntegerDigits[ n, 9], {6, 0}]>0, 1, 0], {n, 1800}], {0, 1}][[;; , 2]] (* Harvey P. Dale, May 21 2024 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved