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A044727 Numbers n such that string 1,4 occurs in the base 10 representation of n but not of n+1. 0
14, 114, 149, 214, 314, 414, 514, 614, 714, 814, 914, 1014, 1114, 1149, 1214, 1314, 1499, 1514, 1614, 1714, 1814, 1914, 2014, 2114, 2149, 2214, 2314, 2414, 2514, 2614, 2714, 2814, 2914, 3014, 3114, 3149, 3214, 3314, 3414 (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], {1, 4}]>0, 1, 0], {n, 3500}], {1, 0}][[All, 1]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Feb 19 2020 *)

CROSSREFS

Sequence in context: A327361 A293874 A044346 * A199251 A199196 A071573

Adjacent sequences:  A044724 A044725 A044726 * A044728 A044729 A044730

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 20 22:45 EDT 2021. Contains 347596 sequences. (Running on oeis4.)