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

Author

Clark Kimberling

Keywords

• nonn
• base

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

• Tanya Khovanova, Non Recursions

Programs

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 *)