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A043207 Numbers k such that 4 and 6 occur juxtaposed in the base-9 representation of k but not of k-1. 0
42, 58, 123, 139, 204, 220, 285, 301, 366, 378, 447, 463, 522, 544, 609, 625, 690, 706, 771, 787, 852, 868, 933, 949, 1014, 1030, 1095, 1107, 1176, 1192, 1251, 1273, 1338, 1354, 1419, 1435, 1500, 1516, 1581, 1597, 1662, 1678 (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: A002706 A080971 A039384 * A043987 A300378 A300680

Adjacent sequences:  A043204 A043205 A043206 * A043208 A043209 A043210

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified November 29 09:10 EST 2021. Contains 349416 sequences. (Running on oeis4.)