A085241 a(n) = A085239(n+1) - A085239(n).

1, -1, 0, 1, -1, 1, -1, 0, 1, -1, 1, -1, 0, 1, -1, 0, 1, -1, 1, -1, 0, 1, -1, 1, -1, 0, 1, -1, 0, 1, -1, 1, -1, 0, 1, -1, 1, -1, 0, 1, -1, 1, -1, 0, 1, -1, 0, 1, -1, 1, -1, 0, 1, -1, 1, -1, 0, 1, -1, 0, 1, -1, 1, -1, 0, 1, -1, 1, -1, 0, 1, -1, 1, -1, 0, 1, -1, 0, 1, -1, 1, -1, 0, 1

Offset

1,1

Links

Table of n, a(n) for n=1..84.

Crossrefs

Sequence in context: A005713 A188031 A305387 * A105368 A138019 A179850

Adjacent sequences: A085238 A085239 A085240 * A085242 A085243 A085244

Keyword

sign

Author

Reinhard Zumkeller, Jun 22 2003

Status

approved