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!)
A044523 Numbers n such that string 0,4 occurs in the base 7 representation of n but not of n+1. 0
53, 102, 151, 200, 249, 298, 347, 377, 396, 445, 494, 543, 592, 641, 690, 720, 739, 788, 837, 886, 935, 984, 1033, 1063, 1082, 1131, 1180, 1229, 1278, 1327, 1376, 1406, 1425, 1474, 1523, 1572, 1621, 1670, 1719, 1749, 1768, 1817 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 7], {0, 4}]>0, 1, 0], {n, 2000}], {1, 0}][[All, 1]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, May 03 2019 *)
CROSSREFS
Sequence in context: A180520 A139959 A044142 * A063363 A288619 A039476
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 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)