Polynomial #647

ratio: 0.9799043761 (Δ = 8.74e-11 at M = 2^17, ladder-fft/2)
degree: 509
status: verified
content hash: bb59bb810a1dab5826461c8b31e868190be367b21620e9601d34ef47880e5edc
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 7.3115196
submitted: 2026-08-25T19:51:16Z

Coefficients (canonical symmetry representative)

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

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