A044717 Numbers n such that string 0,4 occurs in the base 10 representation of n but not of n+1.

104, 204, 304, 404, 504, 604, 704, 804, 904, 1004, 1049, 1104, 1204, 1304, 1404, 1504, 1604, 1704, 1804, 1904, 2004, 2049, 2104, 2204, 2304, 2404, 2504, 2604, 2704, 2804, 2904, 3004, 3049, 3104, 3204, 3304, 3404, 3504

Offset

1,1

Links

Table of n, a(n) for n=1..38.

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n], {0, 4}]>0, 1, 0], {n, 4000}], {1, 0}][[All, 1]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Mar 14 2018 *)

Crossrefs

Sequence in context: A234261 A260288 A044336 * A235990 A270300 A108665

Adjacent sequences: A044714 A044715 A044716 * A044718 A044719 A044720

Keyword

nonn,base

Author

Clark Kimberling

Status

approved