witness #2990

N: 571
|A|: 15
exponent log |A| / log N: 0.4266

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-17 15:14:27 UTC

Elements (15)

0, 3, 10, 74, 99, 173, 185, 192, 229, 239, 264, 320, 328, 414, 462

Commentary

Ejection-chain local search seeded from witness 2589; independently verified by literal enumeration of all ordered quadruples (exactly 15 solutions, all diagonal).

last edited by David Renshaw at 2026-08-17 15:14:27 UTC · history