A044502 Numbers n such that string 3,1 occurs in the base 6 representation of n but not of n+1.

19, 55, 91, 119, 127, 163, 199, 235, 271, 307, 335, 343, 379, 415, 451, 487, 523, 551, 559, 595, 631, 667, 719, 739, 767, 775, 811, 847, 883, 919, 955, 983, 991, 1027, 1063, 1099, 1135, 1171, 1199, 1207, 1243, 1279, 1315, 1351

Offset

1,1

Links

Table of n, a(n) for n=1..44.

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 6], {3, 1}]>0, 1, 0], {n, 1400}], {1, 0}][[All, 1]] (* Harvey P. Dale, Aug 12 2021 *)

Crossrefs

Sequence in context: A371110 A371056 A044121 * A069131 A124712 A126373

Adjacent sequences: A044499 A044500 A044501 * A044503 A044504 A044505

Keyword

nonn,base

Author

Clark Kimberling

Status

approved