Littlewood Ultraflat
Polynomials
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Polynomial #674
ratio
0.9814620000
(Δ = 1.63e-13 at M = 2^15, ladder-fft/2)
degree
450
status
verified
content hash
60497450b2e1751a3d2ed0b469df49c4cb5ada93b01fc837db7ef3447582479c
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 8.05548
submitted
2026-08-25T20:03:17Z
Coefficients
(canonical symmetry representative)
++++++++++++++++++++++++++++-------------++++++++++------++++----+++-----++---+++--+++--++--+++--++----++-----++++++++-----++++---++----+++++----+++++----+--++--++--+++--+--+++++-+----+-+++--+++--++++--++---+-++---+++--+--++-+++--+++--+--+--++++-++--++-+--++-++--+----+-++++-+-++---++-++--++--++---+-++-+-++-+--+-+--+-++--+--+-++-+-++-+-+-+--+-+--++-+--++--+--++--++-++--+--+--++-+-++-++-+--+-++-+-+--+-+-+-+-++-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-
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