Littlewood Ultraflat
Polynomials
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Polynomial #687
ratio
0.9808028252
(Δ = 2.07e-11 at M = 2^16, ladder-fft/2)
degree
476
status
verified
content hash
b2d62e07c38b834188fd1f02febdd5145e70c545a02f13b7b06b02d982872443
submitter
David Renshaw
note
Published LABS sequence from Psenicnik, Boskovic, Popic, and Brest, Prioritizing Search Space Regions in the Low Autocorrelation Binary Sequences Problem (2026), arXiv:2607.09688; merit factor 7.57319
submitted
2026-08-25T20:03:25Z
Coefficients
(canonical symmetry representative)
+++++++++++++++++++++++++++--------------++++++++++---------++++++------++++---++++---+--++++---++++---------++++---++--++-++-+++--+----+++--++---+++--++++---++-+++----+++--+-++-+--+++--++--++---++-++----++++--+-++---++--++---++-++-++--+-++++--+++---++-++--++--+--++++--+-++-+--+++--+--++--++--+--++++----++-++-+--+---++-++-+--++-++-++--++-++-+---++-+++---++--++-++-+--+-+-+-+--+-++-++-+--+++-++-+--+--+-++-+-+--+-+-++-+-+-+-++-+-+-+-+--+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+
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