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A043968 Numbers n such that 1 and 2 occur juxtaposed in the base 9 representation of n but not of n+1. 0
11, 19, 92, 107, 179, 181, 254, 262, 335, 343, 416, 424, 497, 505, 578, 586, 659, 667, 740, 748, 821, 836, 971, 983, 991, 1064, 1072, 1145, 1153, 1226, 1234, 1307, 1315, 1388, 1396, 1469, 1477, 1619, 1637, 1639, 1712, 1720 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

CROSSREFS

Sequence in context: A103201 A199338 A043188 * A199329 A121132 A238332

Adjacent sequences:  A043965 A043966 A043967 * A043969 A043970 A043971

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified July 17 20:45 EDT 2019. Contains 325109 sequences. (Running on oeis4.)