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A043988 Numbers k such that 4 and 7 occur juxtaposed in the base-9 representation of k but not of k+1. 0
43, 67, 124, 148, 205, 229, 286, 310, 367, 395, 448, 472, 529, 553, 611, 634, 691, 715, 772, 796, 853, 877, 934, 958, 1015, 1039, 1096, 1124, 1177, 1201, 1258, 1282, 1340, 1363, 1420, 1444, 1501, 1525, 1582, 1606, 1663, 1687 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Cf. A007095.
Sequence in context: A146334 A039385 A043208 * A139499 A201688 A174022
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified March 29 11:14 EDT 2024. Contains 371278 sequences. (Running on oeis4.)