A044187 Numbers n such that string 0,0 occurs in the base 8 representation of n but not of n-1.

64, 128, 192, 256, 320, 384, 448, 512, 576, 640, 704, 768, 832, 896, 960, 1024, 1088, 1152, 1216, 1280, 1344, 1408, 1472, 1536, 1600, 1664, 1728, 1792, 1856, 1920, 1984, 2048, 2112, 2176, 2240, 2304, 2368, 2432, 2496, 2560

Offset

1,1

Comments

Every element is a multiple of 64. The smallest positive multiple of 64 not in the sequence is 4160. - David W. Wilson, Aug 03 2005

Links

Table of n, a(n) for n=1..40.

Tanya Khovanova, Non Recursions

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 8], {0, 0}]>0, 1, 0], {n, 3000}], {0, 1}][[All, 2]] (* Harvey P. Dale, Jul 02 2022 *)

Crossrefs

Sequence in context: A255996 A296166 A355265 * A152691 A043422 A044568

Adjacent sequences: A044184 A044185 A044186 * A044188 A044189 A044190

Keyword

nonn,base

Author

Clark Kimberling

Status

approved