A044421 Numbers n such that string 8,9 occurs in the base 10 representation of n but not of n-1.

89, 189, 289, 389, 489, 589, 689, 789, 889, 989, 1089, 1189, 1289, 1389, 1489, 1589, 1689, 1789, 1889, 1989, 2089, 2189, 2289, 2389, 2489, 2589, 2689, 2789, 2889, 2989, 3089, 3189, 3289, 3389, 3489, 3589, 3689, 3789, 3889

Offset

1,1

Links

Table of n, a(n) for n=1..39.

Tanya Khovanova, Non Recursions

Crossrefs

Sequence in context: A325082 A033670 A352542 * A044802 A142499 A184541

Adjacent sequences: A044418 A044419 A044420 * A044422 A044423 A044424

Keyword

nonn,base

Author

Clark Kimberling

Status

approved