A044091 Numbers n such that string 2,4 occurs in the base 5 representation of n but not of n-1.

14, 39, 64, 70, 89, 114, 139, 164, 189, 195, 214, 239, 264, 289, 314, 320, 339, 350, 389, 414, 439, 445, 464, 489, 514, 539, 564, 570, 589, 614, 639, 664, 689, 695, 714, 739, 764, 789, 814, 820, 839, 864, 889, 914, 939, 945, 964

Offset

1,1

Links

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

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 5], {2, 4}]>0, 1, 0], {n, 1000}], {0, 1}][[All, 2]] (* Harvey P. Dale, Jul 29 2022 *)

Crossrefs

Sequence in context: A231459 A244702 A187086 * A044472 A178564 A051866

Adjacent sequences: A044088 A044089 A044090 * A044092 A044093 A044094

Keyword

nonn,base

Author

Clark Kimberling

Status

approved