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A043201 Numbers k such that 3 and 4 occur juxtaposed in the base-9 representation of k but not of k-1. 0
31, 39, 112, 120, 193, 201, 274, 279, 351, 363, 436, 444, 517, 525, 598, 606, 679, 687, 760, 768, 841, 849, 922, 930, 1003, 1008, 1080, 1092, 1165, 1173, 1246, 1254, 1327, 1335, 1408, 1416, 1489, 1497, 1570, 1578, 1651, 1659 (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: A247251 A053237 A039378 * A043981 A146333 A109645

Adjacent sequences:  A043198 A043199 A043200 * A043202 A043203 A043204

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 23 10:55 EDT 2021. Contains 347612 sequences. (Running on oeis4.)