witness #3237

N: 646
|A|: 16
exponent log |A| / log N: 0.4285

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-20 00:25:12 UTC

Elements (16)

0, 7, 17, 24, 42, 59, 69, 102, 119, 120, 178, 195, 211, 409, 460, 466

Commentary

Ejection-chain local search seeded from witness 2650; independently verified by literal enumeration of all ordered quadruples (exactly 16 solutions, all diagonal).

last edited by David Renshaw at 2026-08-20 00:25:12 UTC · history