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!)
A117005 A117000(n) - A117001(n). 0
1, 2, 2, 2, 2, 2, 2, 2, -1, 2, 2, -4, 2, 2, -4, 2, 2, -4, 2, 2, -4, 2, 2, -4, -3, 2, -4, 2, 2, -14, 2, 2, -4, 2, -8, -4, 2, 2, -4, -8, 2, -4, 2, 2, -14, 2, 2, -4, 9, -8, -4, 2, 2, -4, -8, 16, -4, 2, 2, -14, 2, 2, 10, 2, -8, -4, 2, 2, -4, 6, 2, -4, 2, 2, -14, 2, 16, -4, 2, -8, 5, 2, 2, 10, -8, 2, -4, 2, 2, 4, 16, 2, -4, 2, -8, -4, 2, 16, 14, -8 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

REFERENCES

H. J. S. Smith, Report on the Theory of Numbers, reprinted in Vol. 1 of his Collected Math. Papers, Chelsea, NY, 1979, see p. 322.

LINKS

Table of n, a(n) for n=1..100.

CROSSREFS

Sequence in context: A037815 A297034 A190311 * A263204 A194322 A052010

Adjacent sequences:  A117002 A117003 A117004 * A117006 A117007 A117008

KEYWORD

sign

AUTHOR

N. J. A. Sloane, Apr 15 2006

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 July 23 14:44 EDT 2021. Contains 346259 sequences. (Running on oeis4.)