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A044811 Numbers n such that string 9,8 occurs in the base 10 representation of n but not of n+1. 0
98, 198, 298, 398, 498, 598, 698, 798, 898, 989, 998, 1098, 1198, 1298, 1398, 1498, 1598, 1698, 1798, 1898, 1989, 1998, 2098, 2198, 2298, 2398, 2498, 2598, 2698, 2798, 2898, 2989, 2998, 3098, 3198, 3298, 3398, 3498, 3598 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
SequencePosition[Table[If[SequenceCount[IntegerDigits[n], {9, 8}]>0, 1, 0], {n, 3600}], {1, 0}][[All, 1]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, May 17 2021 *)
CROSSREFS
Sequence in context: A105405 A341180 A044430 * A063369 A038863 A203091
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified April 18 16:22 EDT 2024. Contains 371780 sequences. (Running on oeis4.)