A044470 Numbers n such that string 2,2 occurs in the base 5 representation of n but not of n+1.

12, 37, 64, 87, 112, 137, 162, 189, 212, 237, 262, 287, 324, 337, 362, 387, 412, 439, 462, 487, 512, 537, 564, 587, 612, 637, 662, 689, 712, 737, 762, 787, 814, 837, 862, 887, 912, 949, 962, 987, 1012, 1037, 1064, 1087, 1112

Offset

1,1

Links

Table of n, a(n) for n=1..45.

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 5], {2, 2}]>0, 1, 0], {n, 1200}], {1, 0}][[All, 1]] (* Harvey P. Dale, Sep 01 2021 *)

Crossrefs

Sequence in context: A012276 A045174 A044089 * A005892 A266398 A041276

Adjacent sequences: A044467 A044468 A044469 * A044471 A044472 A044473

Keyword

nonn,base

Author

Clark Kimberling

Status

approved