witness #2993

N: 582
|A|: 15
exponent log |A| / log N: 0.4254

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-17 15:14:31 UTC

Elements (15)

0, 1, 15, 21, 58, 102, 109, 177, 223, 244, 294, 301, 328, 369, 439

Commentary

Ejection-chain local search seeded from witness 2598; independently verified by literal enumeration of all ordered quadruples (exactly 15 solutions, all diagonal).

last edited by David Renshaw at 2026-08-17 15:14:31 UTC · history