Polynomial #649

ratio: 0.9804177916 (Δ = 1.11e-15 at M = 2^15, ladder-fft/2)
degree: 511
status: verified
content hash: e5ea06a5ac8fc16e0ad98f5eb18b7dfa511de32610dbfc748c63e34e51a287ad
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 7.2833963
submitted: 2026-08-25T19:51:17Z

Coefficients (canonical symmetry representative)

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

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