A044121 Numbers n such that string 3,1 occurs in the base 6 representation of n but not of n-1.

19, 55, 91, 114, 127, 163, 199, 235, 271, 307, 330, 343, 379, 415, 451, 487, 523, 546, 559, 595, 631, 667, 684, 739, 762, 775, 811, 847, 883, 919, 955, 978, 991, 1027, 1063, 1099, 1135, 1171, 1194, 1207, 1243, 1279, 1315, 1351

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 6], {3, 1}]>0, 1, 0], {n, 1500}], {0, 1}][[All, 2]] (* Harvey P. Dale, Jan 05 2023 *)

Crossrefs

Sequence in context: A051871 A371110 A371056 * A044502 A069131 A124712

Adjacent sequences: A044118 A044119 A044120 * A044122 A044123 A044124

Keyword

nonn,base

Author

Clark Kimberling

Status

approved