login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A043154 Numbers n such that 0 and 3 occur juxtaposed in the base 8 representation of n but not of n-1. 0
24, 67, 88, 131, 152, 192, 216, 259, 280, 323, 344, 387, 408, 451, 472, 515, 536, 579, 600, 643, 664, 704, 728, 771, 792, 835, 856, 899, 920, 963, 984, 1027, 1048, 1091, 1112, 1155, 1176, 1216, 1240, 1283, 1304, 1347, 1368 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..43.

MATHEMATICA

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 8], {0, 3}]>0 || SequenceCount[IntegerDigits[n, 8], {3, 0}]>0, 1, 0], {n, 1400}], {0, 1}][[All, 2]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Oct 24 2017 *)

CROSSREFS

Sequence in context: A175153 A250799 A250791 * A039331 A043934 A087406

Adjacent sequences:  A043151 A043152 A043153 * A043155 A043156 A043157

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 28 11:08 EST 2020. Contains 332323 sequences. (Running on oeis4.)