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A044086 Numbers n such that string 1,4 occurs in the base 5 representation of n but not of n-1. 0
9, 34, 45, 59, 84, 109, 134, 159, 170, 184, 209, 225, 259, 284, 295, 309, 334, 359, 384, 409, 420, 434, 459, 484, 509, 534, 545, 559, 584, 609, 634, 659, 670, 684, 709, 734, 759, 784, 795, 809, 834, 850, 884, 909, 920, 934, 959 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..47.

MATHEMATICA

Transpose[SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 5], {1, 4}]>0, 1, 0], {n, 1000}], {0, 1}]][[2]] (* The program uses the SequencePosition and SequenceCount functions from Mathematica version 10 *) (* Harvey P. Dale, Sep 30 2015 *)

CROSSREFS

Sequence in context: A145925 A028568 A199298 * A044467 A020163 A262959

Adjacent sequences:  A044083 A044084 A044085 * A044087 A044088 A044089

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 19 03:31 EDT 2019. Contains 328211 sequences. (Running on oeis4.)