Littlewood Ultraflat
Polynomials
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Polynomial #690
ratio
0.9812480101
(Δ = 3.83e-11 at M = 2^15, ladder-fft/2)
degree
479
status
verified
content hash
3e6e64e6ef10ccac83c367115890634a78c691603e91dc0eb15665136d55ae06
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 7.59894
submitted
2026-08-25T20:03:27Z
Coefficients
(canonical symmetry representative)
+++++++++++++++++++++++++++++--------------++++++++++---------++++++------++++---++++---+--++++---++++---------++++---++--++-++-+++--+----+++--++---+++--++++---++-+++----+++--+-++-+--+++--++--++---++-++----++++--+-++---++--++---++-++-++--+-++++--+++---++-++--++--+--++++--+-++-+--+++--+--++--++--+--++++----++-++-+--+---++-++-+--++-++-++--++-++-+---++-+++---++--++-++-+--+-+-+-+--+-++-++-+--+++-++-+--+--+-++-+-+--+-+-++-+-+-+-++-+-+-+-+--+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-
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