OFFSET
1,1
MATHEMATICA
SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 5], {1, 4}]>0||SequenceCount[ IntegerDigits[ n, 5], {4, 1}]>0, 1, 0], {n, 700}], {1, 0}][[;; , 1]] (* Harvey P. Dale, May 30 2023 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved