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!)
A251552 a(n) = (A251551(n)-1)/2. 8
-1, 0, -1, 0, 0, 0, 0, 0, -1, 1, 1, 1, 1, 1, -1, 3, 3, 3, 3, 3, 3, 2, 0, 0, 0, 0, 0, 0, 0, -1, 2, 2, 5, 5, 5, 5, 5, 5, 9, 9, 10, 10, 8, 8, 8, 8, 8, 11, 11, 11, 8, 8, 8, 8, 8, 12, 12, 12, 12, 12, 11, 8, 8, 8, 8, 8, 8, 8 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,16

LINKS

Chai Wah Wu, Table of n, a(n) for n = 1..10000

PROG

(Haskell)

a251552 = flip div 2 . subtract 1 . a251551

-- Reinhard Zumkeller, Dec 19 2014

CROSSREFS

Cf. A098550, A247253, A251416, A251417, A251546-A251551.

Sequence in context: A073139 A122845 A135203 * A324497 A179804 A102818

Adjacent sequences:  A251549 A251550 A251551 * A251553 A251554 A251555

KEYWORD

sign

AUTHOR

N. J. A. Sloane, Dec 18 2014

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 April 9 10:52 EDT 2020. Contains 333348 sequences. (Running on oeis4.)