The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A043184 Numbers k such that 0 and 5 occur juxtaposed in the base-9 representation of k but not of k-1. 0
45, 86, 126, 167, 207, 248, 288, 329, 369, 405, 450, 491, 531, 572, 612, 653, 693, 734, 774, 815, 855, 896, 936, 977, 1017, 1058, 1098, 1134, 1179, 1220, 1260, 1301, 1341, 1382, 1422, 1463, 1503, 1544, 1584, 1625, 1665, 1706 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 9], {0, 5}]>0 || SequenceCount[ IntegerDigits[n, 9], {5, 0}]>0, 1, 0], {n, 1800}], {0, 1}][[All, 2]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, May 22 2018 *)
CROSSREFS
Cf. A007095.
Sequence in context: A305154 A280407 A063343 * A039361 A043964 A140380
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 26 15:05 EDT 2024. Contains 372826 sequences. (Running on oeis4.)