The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A297116 Odd bisection of A297115, Möbius transform of A000120 (binary weight of n). 2
1, 1, 1, 2, 0, 2, 2, 1, 1, 2, -1, 3, 1, 2, 3, 4, -2, -1, 2, 0, 2, 3, 0, 4, 0, 1, 3, 1, 0, 4, 4, 3, -2, 2, -2, 3, 2, -1, -1, 4, -1, 3, 1, 0, 3, 0, -1, 2, 2, 2, 3, 4, 0, 4, 4, 2, 3, 0, 1, 2, 2, 2, 3, 6, -3, 2, -2, -2, 2, 3, -2, 0, -2, 1, 3, 4, 0, -1, 4, 1, -3, 3, -1, 4, 1, 1, 4, 2, -2, 4, 4, 0, 1, 2, -2, 6, 2, 0, 3, 4, 0, -1, 1, 3, -1 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
LINKS
FORMULA
a(n) = A297115(2n - 1).
PROG
(PARI)
A297115(n) = sumdiv(n, d, moebius(n/d)*hammingweight(d));
A297116(n) = A297115(n+n-1);
CROSSREFS
Sequence in context: A059581 A344319 A236998 * A163542 A061895 A129678
KEYWORD
sign
AUTHOR
Antti Karttunen, Dec 26 2017
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 May 19 00:35 EDT 2024. Contains 372666 sequences. (Running on oeis4.)