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Search: id:A044421
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A044421 Numbers n such that string 8,9 occurs in the base 10 representation of n but not of n-1. +0
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 (list; graph; listen)
OFFSET

1,1
LINKS

Tanya Khovanova, Non Recursions

CROSSREFS

Sequence in context: A106758 A142335 A033670 this_sequence A044802 A142499 A141953

Adjacent sequences: A044418 A044419 A044420 this_sequence A044422 A044423 A044424

KEYWORD

nonn,base

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

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