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A043206 Numbers k such that 4 and 5 occur juxtaposed in the base-9 representation of k but not of k-1. 0
41, 49, 122, 130, 203, 211, 284, 292, 365, 369, 441, 454, 527, 535, 608, 616, 689, 697, 770, 778, 851, 859, 932, 940, 1013, 1021, 1094, 1098, 1170, 1183, 1256, 1264, 1337, 1345, 1418, 1426, 1499, 1507, 1580, 1588, 1661, 1669 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..42.

CROSSREFS

Cf. A007095.

Sequence in context: A185658 A074485 A039383 * A043986 A124967 A224443

Adjacent sequences:  A043203 A043204 A043205 * A043207 A043208 A043209

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 24 17:11 EDT 2021. Contains 348233 sequences. (Running on oeis4.)