Littlewood Ultraflat
Polynomials
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Polynomial #683
ratio
0.9816002408
(Δ = 8.70e-14 at M = 2^15, ladder-fft/2)
degree
462
status
verified
content hash
aa670e5959edab29f933ffb73d49fb9e83a73c5fb2be196ff6b2b37af0bd5ef0
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 7.42326
submitted
2026-08-25T20:03:23Z
Coefficients
(canonical symmetry representative)
+++++++++++++++++++++++++++-------------+++++++++-++--------++++----++++++----+--++++++-----+--++++----++-+++----+++--+--++++--+---+++--+-++-----+--+++-++-++--+-+++--+-++++---+++--+---++--++-++----++++--+++--+++--+--++++--+--++--+--+++--++---++-+--+++--+--++-++--+-++-+--+++--++--+---++-++-++-+----++-++++--+++---+--+++-+-++----++-++-+++--+-++---++-++-+--+---++-+--+-++---+-+--+-+-++---+-++-+-+--+-++-+--+-+-+-++---+-+-+-+--+-+-+-+-+-+--+-+-+-+-+-+-+-+-+-+-+-+-+-
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