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A343173
First differences of paper-folding sequence A014577.
2
0, -1, 1, 0, -1, 0, 1, 0, 0, -1, 0, 1, -1, 0, 1, 0, 0, -1, 1, 0, -1, 0, 0, 1, 0, -1, 0, 1, -1, 0, 1, 0, 0, -1, 1, 0, -1, 0, 1, 0, 0, -1, 0, 1, -1, 0, 0, 1, 0, -1, 1, 0, -1, 0, 0, 1, 0, -1, 0, 1, -1, 0, 1, 0, 0, -1, 1, 0, -1, 0, 1, 0, 0, -1, 0, 1, -1, 0, 1, 0, 0, -1, 1, 0, -1, 0, 0, 1
OFFSET
0
MATHEMATICA
Differences[JacobiSymbol[-1, Range[100]]]/2 (* Paolo Xausa, May 26 2024 *)
CROSSREFS
Cf. A014577.
Sequence in context: A100821 A139689 A204175 * A285255 A324823 A353354
KEYWORD
sign
AUTHOR
N. J. A. Sloane, Apr 23 2021
STATUS
approved