witness #2988

N: 568
|A|: 15
exponent log |A| / log N: 0.4270

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-17 15:14:25 UTC

Elements (15)

0, 52, 112, 129, 139, 197, 199, 207, 214, 247, 303, 304, 314, 337, 386

Commentary

Ejection-chain local search seeded from witness 2586; independently verified by literal enumeration of all ordered quadruples (exactly 15 solutions, all diagonal).

last edited by David Renshaw at 2026-08-17 15:14:25 UTC · history