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A031497 Numbers whose base-10 representation has one more 0 than 9's. 0
10, 20, 30, 40, 50, 60, 70, 80, 101, 102, 103, 104, 105, 106, 107, 108, 110, 120, 130, 140, 150, 160, 170, 180, 201, 202, 203, 204, 205, 206, 207, 208, 210, 220, 230, 240, 250, 260, 270, 280, 301, 302, 303, 304, 305, 306, 307 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..47.

MATHEMATICA

Select[Range[400], DigitCount[#, 10, 0]==DigitCount[#, 10, 9]+1&] (* Harvey P. Dale, May 27 2019 *)

CROSSREFS

Sequence in context: A062237 A162467 A033022 * A020337 A044835 A033007

Adjacent sequences:  A031494 A031495 A031496 * A031498 A031499 A031500

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified May 18 23:31 EDT 2022. Contains 353826 sequences. (Running on oeis4.)