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A031498 Numbers whose base-10 representation has 2 more 0's than 9's. 0
100, 200, 300, 400, 500, 600, 700, 800, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1010, 1020, 1030, 1040, 1050, 1060, 1070, 1080, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 2001, 2002, 2003, 2004, 2005, 2006 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..38.

MATHEMATICA

Select[Range@3000, (s=#; Differences[Count[IntegerDigits[s], #]&/@{0, 9}]=={-2})&] (* Giorgos Kalogeropoulos, Jul 04 2021 *)

CROSSREFS

Sequence in context: A218037 A044713 A322835 * A053402 A181568 A308306

Adjacent sequences:  A031495 A031496 A031497 * A031499 A031500 A031501

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 18 04:22 EDT 2021. Contains 347508 sequences. (Running on oeis4.)