OFFSET
0
LINKS
Paolo Xausa, Table of n, a(n) for n = 0..10000
MATHEMATICA
Differences[JacobiSymbol[-1, Range[100]]]/2 (* Paolo Xausa, May 26 2024 *)
CROSSREFS
KEYWORD
sign
AUTHOR
N. J. A. Sloane, Apr 23 2021
STATUS
approved