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A039423 Numbers whose base-10 representation has the same nonzero number of 4's and 5's. 0
45, 54, 145, 154, 245, 254, 345, 354, 405, 415, 425, 435, 450, 451, 452, 453, 456, 457, 458, 459, 465, 475, 485, 495, 504, 514, 524, 534, 540, 541, 542, 543, 546, 547, 548, 549, 564, 574, 584, 594, 645, 654, 745, 754, 845, 854, 945, 954, 1045, 1054 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[Range[1100], DigitCount[#, 10, 4]==DigitCount[#, 10, 5]>0&] (* Harvey P. Dale, Jul 25 2019 *)
CROSSREFS
Sequence in context: A242267 A242226 A335375 * A043246 A044026 A085607
KEYWORD
nonn,base,easy
AUTHOR
STATUS
approved

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Last modified July 17 21:15 EDT 2024. Contains 374377 sequences. (Running on oeis4.)