Polynomial #645

ratio: 0.9797123407 (Δ = 4.72e-11 at M = 2^19, ladder-fft/2)
degree: 507
status: verified
content hash: 3684b6fd5a03ddb27ff274a0cc249a4cb6c2ddf4225bd46af9286f2690c42faf
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 7.2907673
submitted: 2026-08-25T19:51:15Z

Coefficients (canonical symmetry representative)

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

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