A044718 Numbers n such that string 0,5 occurs in the base 10 representation of n but not of n+1.

105, 205, 305, 405, 505, 605, 705, 805, 905, 1005, 1059, 1105, 1205, 1305, 1405, 1505, 1605, 1705, 1805, 1905, 2005, 2059, 2105, 2205, 2305, 2405, 2505, 2605, 2705, 2805, 2905, 3005, 3059, 3105, 3205, 3305, 3405, 3505

Offset

1,1

Links

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

Mathematica

Transpose[SequencePosition[Table[If[SequenceCount[IntegerDigits[n], {0, 5}]>0, 1, 0], {n, 4000}], {1, 0}]][[1]] (* The program uses the SequencePosition and SequenceCount functions from Mathematica version 10 *) (* Harvey P. Dale, Aug 22 2015 *)

Crossrefs

Sequence in context: A326141 A347881 A044337 * A239827 A273521 A214082

Adjacent sequences: A044715 A044716 A044717 * A044719 A044720 A044721

Keyword

nonn,base

Author

Clark Kimberling

Status

approved