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A043213 Numbers n such that 6 and 7 occur juxtaposed in the base 9 representation of n but not of n-1. 0
61, 69, 142, 150, 223, 231, 304, 312, 385, 393, 466, 474, 547, 549, 621, 636, 709, 717, 790, 798, 871, 879, 952, 960, 1033, 1041, 1114, 1122, 1195, 1203, 1276, 1278, 1350, 1365, 1438, 1446, 1519, 1527, 1600, 1608, 1681, 1689 (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: A045712 A090154 A039390 * A043993 A165287 A064229

Adjacent sequences:  A043210 A043211 A043212 * A043214 A043215 A043216

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified November 15 18:10 EST 2018. Contains 317240 sequences. (Running on oeis4.)