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A044258 Numbers n such that string 0,7 occurs in the base 9 representation of n but not of n-1. 0
88, 169, 250, 331, 412, 493, 574, 655, 736, 792, 817, 898, 979, 1060, 1141, 1222, 1303, 1384, 1465, 1521, 1546, 1627, 1708, 1789, 1870, 1951, 2032, 2113, 2194, 2250, 2275, 2356, 2437, 2518, 2599, 2680, 2761, 2842, 2923 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 9], {0, 7}]>0, 1, 0], {n, 3000}], {0, 1}][[All, 2]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jun 11 2017 *)

CROSSREFS

Sequence in context: A346774 A249555 A226587 * A044639 A050224 A270299

Adjacent sequences:  A044255 A044256 A044257 * A044259 A044260 A044261

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified May 26 07:29 EDT 2022. Contains 354077 sequences. (Running on oeis4.)