A043899 Numbers k such that 0 and 4 occur juxtaposed in the base-6 representation of k but not of k+1.

24, 40, 60, 76, 96, 112, 132, 149, 168, 184, 204, 220, 245, 256, 276, 292, 312, 328, 348, 365, 384, 400, 420, 436, 461, 472, 492, 508, 528, 544, 564, 581, 600, 616, 636, 652, 677, 688, 708, 724, 744, 760, 780, 797, 816, 832, 852

Offset

1,1

Links

Table of n, a(n) for n=1..47.

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 6], {0, 4}]>0||SequenceCount[ IntegerDigits[ n, 6], {4, 0}]>0, 1, 0], {n, 900}], {1, 0}][[;; , 1]] (* Harvey P. Dale, Sep 22 2024 *)

Crossrefs

Cf. A007092.

Sequence in context: A340746 A043119 A039296 * A269452 A294029 A366675

Adjacent sequences: A043896 A043897 A043898 * A043900 A043901 A043902

Keyword

nonn,base

Author

Clark Kimberling

Status

approved