login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A151789 a(1)=1; for n > 1, a(n)=5*4^{wt(n-1)-1}. 5
1, 5, 5, 20, 5, 20, 20, 80, 5, 20, 20, 80, 20, 80, 80, 320, 5, 20, 20, 80, 20, 80, 80, 320, 20, 80, 80, 320, 80, 320, 320, 1280, 5, 20, 20, 80, 20, 80, 80, 320, 20, 80, 80, 320, 80, 320, 320, 1280, 20, 80, 80, 320, 80, 320, 320, 1280, 80, 320, 320, 1280, 320, 1280, 1280, 5120 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

wt(n) is the Hamming weight = binary weight of n (A000120).

LINKS

Table of n, a(n) for n=1..64.

CROSSREFS

Cf. A000120.

Sequence in context: A039914 A274910 A201803 * A302176 A094338 A205882

Adjacent sequences:  A151786 A151787 A151788 * A151790 A151791 A151792

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 25 2009

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 March 21 07:23 EDT 2019. Contains 321367 sequences. (Running on oeis4.)