Polynomial #640

ratio: 0.9794632428 (Δ = 5.44e-15 at M = 2^16, ladder-fft/2)
degree: 502
status: verified
content hash: 8b37cec182b9a15eb74319c9d92c2a7140529d375faabe28159b4f5b5b47f481
submitter: David Renshaw
note: Best-known LABS sequence from Psenicnik, Mlinaric, Brest, and Boskovic, Dual-Step Optimization for Binary Sequences with High Merit Factors (2025), arXiv:2409.07222; merit factor 7.447136
submitted: 2026-08-25T19:51:14Z

Coefficients (canonical symmetry representative)

+++++++++++++++++++++++++++++---------------+++++++++++--------+++++++------+++++--++----+++++++-----++++-----++++--+---++++--+++--+----+--++-++--++++---+-++---++-++----++-++--++++++---++---++--++--+++--+-++--++-++-+--++------+++--++-++-+--+--+--+--++--++---+++---++++---++--+--+-+-++--++++---++--++++--+--++--++--+--++-++-+-+--++---++-+--+++--+--++++-++-+--++---++---+-+++--+--++-+--+---++-+--+-+--+-++-+-++-+-+-++-+--++--+-+--+-+-++-+-+-++-+-+-+--+-+-+-+-+--+-+-+-+-+-+-+--+-+-+-+-+-+-+-+-+-+-+-+-+-+-

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