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!)
A044564 Numbers n such that string 6,3 occurs in the base 7 representation of n but not of n+1. 0
45, 94, 143, 192, 241, 290, 321, 339, 388, 437, 486, 535, 584, 633, 664, 682, 731, 780, 829, 878, 927, 976, 1007, 1025, 1074, 1123, 1172, 1221, 1270, 1319, 1350, 1368, 1417, 1466, 1515, 1564, 1613, 1662, 1693, 1711, 1760, 1809 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 7], {6, 3}]>0, 1, 0], {n, 2000}], {1, 0}][[All, 1]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Oct 07 2018 *)
CROSSREFS
Sequence in context: A124017 A121925 A044183 * A320884 A324460 A118090
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 April 18 06:24 EDT 2024. Contains 371769 sequences. (Running on oeis4.)