%I #11 May 26 2024 16:05:22
%S 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,
%T 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,
%U -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
%N First differences of paper-folding sequence A014577.
%H Paolo Xausa, <a href="/A343173/b343173.txt">Table of n, a(n) for n = 0..10000</a>
%t Differences[JacobiSymbol[-1, Range[100]]]/2 (* _Paolo Xausa_, May 26 2024 *)
%Y Cf. A014577.
%K sign
%O 0
%A _N. J. A. Sloane_, Apr 23 2021
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