Polynomial #643

ratio: 0.9815887077 (Δ = 3.75e-12 at M = 2^15, ladder-fft/2)
degree: 505
status: verified
content hash: 85c0a4b5d7ad1ceb55efe5472611b567c12f7d5d63524569596283e8690f9b13
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 7.3994567
submitted: 2026-08-25T19:51:15Z

Coefficients (canonical symmetry representative)

++++++++++++++++++++++++++++++---------------++++++++++++---------+++++------++++-----++++++-----+--++++++-+--+--++---++++----+++-----++-++++----++-++---++++----+++--++-++-+--++--+++-++---++--++--++---++---++++--++---+++--+-++---++--++++--+--++-+--+++-+----+--++++--+++--+-++--++-++----++-++-++--++-+--+--++-++--++--++--+--+++-++--++----+++--++-++-+--+-++-++---++-+--+-+++--+-+--+--+-++-+--+--++---++++-+-+--+++-+-++-+-+--+-+--+-++-+-+--+-+--+-+-+-+--+-+-+-+-+-++-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+

download sign string · canonical blob · JSON

← leaderboard