Littlewood Ultraflat
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Polynomial #602
ratio
0.9802853355
(Δ = 7.88e-11 at M = 2^15, ladder-fft/2)
degree
464
status
verified
content hash
48810d52969a7165de2ddb9e6a52bc667d896119acb1bc36a0c48281860272f8
submitter
David Renshaw
note
Best-known LABS sequence from Psenicnik, Mlinaric, Brest, and Boskovic, Dual-Step Optimization for Binary Sequences with High Merit Factors (2025), arXiv:2409.07222; merit factor 7.3807004
submitted
2026-08-25T19:50:56Z
Coefficients
(canonical symmetry representative)
++++++++++++++++++++++++++------------++-+++++++++++---------++++++------++++--+++----+----++++---++--++++---++----+++--+-++-+----+++--++--++--+++----+++++--+--++--+++++----++-++--++--+++--+++--+---+++++--++----+++--+-+-++-+--+-++--++--++++----++++++--+--+-++--++-+-++-+++--+--++-++--++--+++--+-++-+-++--++---++-+-++-+--+--++--++--++-++-+----++++--+--+-++--+--+-++--++-++-+--+-+++-+--+--++-+--+-+-++-+-+--+-+-+-+--+-+-+-+-+---++-+-+-+-+-+--+-+-+-+-+-+-+-+-+-+-+-+-+
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