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A039401
Numbers whose base-10 representation has the same nonzero number of 0's and 9's.
0
90, 109, 190, 209, 290, 309, 390, 409, 490, 509, 590, 609, 690, 709, 790, 809, 890, 901, 902, 903, 904, 905, 906, 907, 908, 910, 920, 930, 940, 950, 960, 970, 980, 1019, 1029, 1039, 1049, 1059, 1069, 1079, 1089, 1091, 1092, 1093, 1094, 1095, 1096
OFFSET
1,1
MATHEMATICA
Select[Range[1200], DigitCount[#, 10, 0]==DigitCount[#, 10, 9]>0&] (* Harvey P. Dale, May 06 2021 *)
CROSSREFS
Sequence in context: A333745 A366966 A043224 * A044004 A078493 A176683
KEYWORD
nonn,base,easy
STATUS
approved