witness #3220

N: 733
|A|: 18
exponent log |A| / log N: 0.4381

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-19 22:57:55 UTC

Elements (18)

22, 31, 68, 78, 115, 260, 280, 307, 327, 343, 390, 396, 436, 443, 483, 645, 692, 708

Commentary

Ejection-chain local search seeded from witness 2709; independently verified by literal enumeration of all ordered quadruples (exactly 18 solutions, all diagonal).

last edited by David Renshaw at 2026-08-19 22:57:55 UTC · history