A044796 Numbers k such that string 8,3 occurs in the base 10 representation of k but not of k+1.

83, 183, 283, 383, 483, 583, 683, 783, 839, 883, 983, 1083, 1183, 1283, 1383, 1483, 1583, 1683, 1783, 1839, 1883, 1983, 2083, 2183, 2283, 2383, 2483, 2583, 2683, 2783, 2839, 2883, 2983, 3083, 3183, 3283, 3383, 3483, 3583

Offset

1,1

Links

Table of n, a(n) for n=1..39.

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n], {8, 3}]>0, 1, 0], {n, 3600}], {1, 0}][[;; , 1]] (* Harvey P. Dale, May 25 2025 *)

Crossrefs

Sequence in context: A106094 A142443 A044415 * A106900 A142621 A142681

Adjacent sequences: A044793 A044794 A044795 * A044797 A044798 A044799

Keyword

nonn,base

Author

Clark Kimberling

Status

approved