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A037997 n-th number whose maximal base 9 run length is 2. 1
10, 20, 30, 40, 50, 60, 70, 80, 81, 90, 92, 93, 94, 95, 96, 97, 98, 101, 111, 121, 131, 141, 151, 161, 162, 172, 180, 181, 183, 184, 185, 186, 187, 188, 192, 202, 212, 222, 232, 242, 243, 253, 263, 270, 271, 272, 274, 275, 276, 277 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..50.

MATHEMATICA

Select[Range[300], Max[Length/@Split[IntegerDigits[#, 9]]]==2&] (* Harvey P. Dale, Sep 01 2014 *)

CROSSREFS

Sequence in context: A031140 A095973 * A044850 A282150 A044895 A156819

Adjacent sequences:  A037994 A037995 A037996 * A037998 A037999 A038000

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 21 05:29 EDT 2017. Contains 293679 sequences.