witness #3207

N: 518
|A|: 15
exponent log |A| / log N: 0.4333

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-19 14:19:46 UTC

Elements (15)

0, 7, 10, 103, 123, 165, 213, 271, 277, 301, 306, 322, 406, 438, 474

Commentary

Ejection-chain local search seeded from witness 2540; independently verified by literal enumeration of all ordered quadruples (exactly 15 solutions, all diagonal).

last edited by David Renshaw at 2026-08-19 14:19:46 UTC · history