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A039385 Numbers whose base-9 representation has the same nonzero number of 4's and 7's. 0
43, 67, 124, 148, 205, 229, 286, 310, 331, 340, 349, 358, 376, 385, 387, 388, 389, 390, 392, 393, 395, 403, 448, 472, 529, 553, 571, 580, 589, 598, 603, 604, 605, 606, 608, 609, 611, 616, 625, 643, 691, 715, 772, 796, 853, 877, 934, 958, 1015, 1039 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Cf. A007095.
Sequence in context: A273773 A139917 A146334 * A043208 A043988 A139499
KEYWORD
nonn,base,easy
AUTHOR
STATUS
approved

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Last modified June 18 11:09 EDT 2024. Contains 373481 sequences. (Running on oeis4.)