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A044018 Numbers k such that 2 and 8 occur juxtaposed in the base-10 representation of k but not of k+1. 0
28, 82, 128, 182, 228, 289, 328, 382, 428, 482, 528, 582, 628, 682, 728, 782, 829, 882, 928, 982, 1028, 1082, 1128, 1182, 1228, 1289, 1328, 1382, 1428, 1482, 1528, 1582, 1628, 1682, 1728, 1782, 1829, 1882, 1928, 1982, 2028 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
SequencePosition[Table[If[SequenceCount[IntegerDigits[n], {2, 8}]>0|| SequenceCount[ IntegerDigits[n], {8, 2}]>0, 1, 0], {n, 2100}], {1, 0}][[;; , 1]] (* Harvey P. Dale, Sep 30 2023 *)
CROSSREFS
Sequence in context: A161935 A039415 A043238 * A124783 A126382 A165009
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified July 14 20:49 EDT 2024. Contains 374323 sequences. (Running on oeis4.)