Littlewood Ultraflat
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Polynomial #598
ratio
0.9803740230
(Δ = 6.38e-11 at M = 2^14, ladder-fft/2)
degree
460
status
verified
content hash
aea3512b1eae4747d26ac5c13849a524d2d75aed23d778476f807d7bbe7761e9
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 7.6435405
submitted
2026-08-25T19:50:54Z
Coefficients
(canonical symmetry representative)
++++++++++++++++++++++++++++-------------++++++++++++--------++++----++++-++---++--++-++++------+++++++-----++-+--+-++--++-+--+-++---++-++-+--+--++---++-+++--+++----++++--+++--+-+--+++--++-++-+---++-+--++--+---++-++----++--++-+--+---++++--++--+-++---++-+++--++----++-++++---++--+--+++++--+--++-+--+-++-++--+---++-++--+++----+++--+--++++----++--++++----++-+-++-+-+-++-+-+--+-+++--++--+--+++-+--+-++-+--+-+-+-++-+-+-+-+-+--+-+-+-+-+-+--+-+-+-+-+-+-+-+-+-+-+-+-+-+
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