Polynomial #658

ratio: 0.9783830445 (Δ = 6.88e-15 at M = 2^19, ladder-fft/2)
degree: 520
status: verified
content hash: 7563a748584ad49156b688a1d48dc9a6bf31494022af7da78c27dd491f75cb7b
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 7.1901091
submitted: 2026-08-25T19:51:22Z

Coefficients (canonical symmetry representative)

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

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