witness #3235

N: 639
|A|: 16
exponent log |A| / log N: 0.4292

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-20 00:25:10 UTC

Elements (16)

0, 20, 70, 92, 101, 106, 168, 187, 193, 219, 246, 296, 371, 410, 553, 581

Commentary

Ejection-chain local search seeded from witness 2645; independently verified by literal enumeration of all ordered quadruples (exactly 16 solutions, all diagonal).

last edited by David Renshaw at 2026-08-20 00:25:10 UTC · history