Littlewood Ultraflat
log in
Polynomial #614
ratio
0.9789019200
(Δ = 1.64e-12 at M = 2^16, ladder-fft/2)
degree
476
status
verified
content hash
ebefbea54b382c6750fb8c496669eaaaa137e4e43a260cead1258248aa047df3
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 7.2972739
submitted
2026-08-25T19:51:01Z
Coefficients
(canonical symmetry representative)
++++++++++++++++++++++++++++++---------------+++++++++++---------++++++------++++--+++----++++------+++++--++++----+--++--++++--++--+--++++--++----++---++++-+--++--+--+--++++----+--++++--+--+++--+--+-++-+-+++--+--+++-++-+--+--+++--++--++--++--++--++-++---++++---+--+++--+-----++++---++-++---++-+--+++-+--+-++---+++--++----+-++-++--+-++--++-+--+++--++--+-++--++---+-++-+--++-+-++-+-+--+-++-+--+--++-+--+-+-++-+-+--+-+-+-+--+-+-+-+-+--+-+-+-+-+-+-+--+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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