Polynomial #644

ratio: 0.9814299929 (Δ = 3.71e-12 at M = 2^15, ladder-fft/2)
degree: 506
status: verified
content hash: e9f4f48c6f76a2ad50883ef303aa5b4c43649622c9955ef23341379c415a7bff
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 7.3371296
submitted: 2026-08-25T19:51:15Z

Coefficients (canonical symmetry representative)

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

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