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A044679 Numbers n such that string 5,2 occurs in the base 9 representation of n but not of n+1. 0
47, 128, 209, 290, 371, 431, 452, 533, 614, 695, 776, 857, 938, 1019, 1100, 1160, 1181, 1262, 1343, 1424, 1505, 1586, 1667, 1748, 1829, 1889, 1910, 1991, 2072, 2153, 2234, 2315, 2396, 2477, 2558, 2618, 2639, 2720, 2801 (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], {5, 2}]>0, 1, 0], {n, 3000}], {1, 0}][[All, 1]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, May 05 2019 *)

CROSSREFS

Sequence in context: A118091 A235176 A044298 * A350863 A253225 A039530

Adjacent sequences:  A044676 A044677 A044678 * A044680 A044681 A044682

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified May 17 13:48 EDT 2022. Contains 353746 sequences. (Running on oeis4.)