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A044257 Numbers n such that string 0,6 occurs in the base 9 representation of n but not of n-1. 0
87, 168, 249, 330, 411, 492, 573, 654, 735, 783, 816, 897, 978, 1059, 1140, 1221, 1302, 1383, 1464, 1512, 1545, 1626, 1707, 1788, 1869, 1950, 2031, 2112, 2193, 2241, 2274, 2355, 2436, 2517, 2598, 2679, 2760, 2841, 2922 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..39.

MATHEMATICA

Flatten[Position[Partition[Table[If[MemberQ[Partition[ IntegerDigits[ n, 9], 2, 1], {0, 6}], 1, 0], {n, 3000}], 2, 1], {0, 1}]]+1 (* Harvey P. Dale, Feb 03 2015 *)

CROSSREFS

Sequence in context: A039489 A031891 A147140 * A044638 A324111 A044419

Adjacent sequences:  A044254 A044255 A044256 * A044258 A044259 A044260

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified May 21 09:30 EDT 2022. Contains 353908 sequences. (Running on oeis4.)