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A044293 Numbers n such that string 4,6 occurs in the base 9 representation of n but not of n-1. 0
42, 123, 204, 285, 366, 378, 447, 528, 609, 690, 771, 852, 933, 1014, 1095, 1107, 1176, 1257, 1338, 1419, 1500, 1581, 1662, 1743, 1824, 1836, 1905, 1986, 2067, 2148, 2229, 2310, 2391, 2472, 2553, 2565, 2634, 2715, 2796 (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], {4, 6}]>0, 1, 0], {n, 3000}], {0, 1}][[All, 2]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jul 12 2017 *)

CROSSREFS

Sequence in context: A239590 A064498 A113518 * A044674 A261995 A298236

Adjacent sequences:  A044290 A044291 A044292 * A044294 A044295 A044296

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified April 9 07:30 EDT 2020. Contains 333344 sequences. (Running on oeis4.)