A292739 - OEIS

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A292739

Numbers in which 9 outnumbers all other digits together.

9, 99, 199, 299, 399, 499, 599, 699, 799, 899, 909, 919, 929, 939, 949, 959, 969, 979, 989, 990, 991, 992, 993, 994, 995, 996, 997, 998, 999, 1999, 2999, 3999, 4999, 5999, 6999, 7999, 8999, 9099, 9199, 9299, 9399, 9499, 9599, 9699, 9799, 9899, 9909, 9919, 9929, 9939, 9949, 9959, 9969, 9979, 9989, 9990, 9991, 9992, 9993, 9994, 9995, 9996, 9997, 9998, 9999

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Also numbers whose median of the digits is equal to 9. - Stefano Spezia, Oct 04 2023

LINKS

Table of n, a(n) for n=1..65.

EXAMPLE

909 has more 9's than any other digit, whereas both 9009 and 9019 have as many other digits as 9's.

MATHEMATICA

Select[Range[0, 10^4], Total@ #1 < First@ #2 & @@ TakeDrop[RotateLeft[#, 9] &@ DigitCount@ #, 9] &] (* Michael De Vlieger, Sep 25 2017 *)

Select[Range[10000], 2*DigitCount[#, 10, 9]>IntegerLength[#]&] (* Harvey P. Dale, Aug 04 2019 *)

CROSSREFS

Subset of A292449.

Numbers where n outnumbers any other digit: A292449, A292450, A292451, A292452, A292453, A292454, A292455, A292456, A292457, A292458.

Numbers in which n outnumbers all other digits together: A292730, A292731, A292732, A292733, A292734, A292735, A292736, A292738.

Sequence in context: A116136 A139280 A292449 * A266022 A284691 A147829

Adjacent sequences: A292736 A292737 A292738 * A292740 A292741 A292742

KEYWORD

nonn,base,easy

AUTHOR

Halfdan Skjerning, Sep 25 2017

STATUS

approved