Littlewood Ultraflat
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Polynomial #601
ratio
0.9791837418
(Δ = 5.99e-11 at M = 2^15, ladder-fft/2)
degree
463
status
verified
content hash
07195715b24d9920d132b50130a8a5dfe3f5592d8948da99f123b6e02da4a4b9
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 7.2617377
submitted
2026-08-25T19:50:55Z
Coefficients
(canonical symmetry representative)
-++++++++++++++++++++++++++++-------------++++++++++++--------++++----++++-++---++--++-++++------+++++++-----++-+--+-++--++-+--+-++---++-++-+--+--++---++-+++--+++----++++--+++--+-+--+++--++-++-+---++-+--++--+---++-++----++--++-+--+---++++--++--+-++---++-+++--++----++-++++---++--+--+++++--+--++-+--+-++-++--+---++-++--++-----+++--+--++++----++--++++----++-+-++-+-+-++-+-+--+-+++--++--+--+++-+--+-++-+--+-+-+-++-+-+-+-+-+--+-+-+-+-+-+--+-+-+-+-+-+-+-+-+-+-+-+-+-+++
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