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!)
A043852 Numbers n such that number of runs in the base 4 representation of n is congruent to 2 mod 8. 0
4, 6, 7, 8, 9, 11, 12, 13, 14, 16, 20, 22, 23, 26, 31, 32, 37, 40, 41, 43, 47, 48, 53, 58, 60, 61, 62, 64, 80, 84, 86, 87, 90, 95, 106, 127, 128, 149, 160, 165, 168, 169, 171, 175, 191, 192, 213, 234, 240, 245, 250, 252, 253, 254, 256 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..55.

MATHEMATICA

Select[Range[300], Mod[Length[Split[IntegerDigits[#, 4]]], 8]==2&] (* Harvey P. Dale, Aug 23 2016 *)

CROSSREFS

Sequence in context: A043834 A043839 A043845 * A043860 A043869 A167524

Adjacent sequences:  A043849 A043850 A043851 * A043853 A043854 A043855

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 May 9 19:47 EDT 2021. Contains 343746 sequences. (Running on oeis4.)