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!)
A044129 Numbers n such that string 4,3 occurs in the base 6 representation of n but not of n-1. 0
27, 63, 99, 135, 162, 171, 207, 243, 279, 315, 351, 378, 387, 423, 459, 495, 531, 567, 594, 603, 639, 675, 711, 747, 783, 810, 819, 855, 891, 927, 963, 972, 1026, 1035, 1071, 1107, 1143, 1179, 1215, 1242, 1251, 1287, 1323, 1359 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..44.

MATHEMATICA

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 6], {4, 3}]>0, 1, 0], {n, 1500}], {0, 1}][[All, 2]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jan 02 2020 *)

CROSSREFS

Sequence in context: A107580 A138610 A128530 * A044510 A338556 A304563

Adjacent sequences:  A044126 A044127 A044128 * A044130 A044131 A044132

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 January 21 05:13 EST 2022. Contains 350473 sequences. (Running on oeis4.)