Littlewood Ultraflat
Polynomials
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Polynomial #698
ratio
0.9813570995
(Δ = 4.05e-12 at M = 2^16, ladder-fft/2)
degree
496
status
verified
content hash
eea5061393dd04f96ab7d9ee63ccb0e509233f8890ecba694cdccaf65644fd77
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 7.4544
submitted
2026-08-25T20:03:31Z
Coefficients
(canonical symmetry representative)
++++++++++++++++++++++++++++++++--------------++++++++++-------++++++------++++----++++----+++++----++-++--++-+----+--++++++++----+-++--++--++--+--+----++++++-++-+--++--++--++--+-++-++++--++++--+-+--+-++-++-++--+--+++--++++--++-----++-+--++-++-++--++--+++---++----++-+-++--++-+--++-++---++---+++----+++++--+-++--+-+++----++--++--++--+-++---+-+-++-+---+++--++--++--++++-+--+-+-+-++---+-++++--++---++-+--+-+--+-++-+--+-++-+--+-+-++-+-+--+-+-+--+-+-+-+-++-+-+-+-+-+-+--+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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