witness #2992

N: 578
|A|: 15
exponent log |A| / log N: 0.4258

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-17 15:14:30 UTC

Elements (15)

0, 47, 107, 135, 201, 202, 282, 305, 326, 327, 334, 340, 439, 446, 447

Commentary

Ejection-chain local search seeded from witness 2595; independently verified by literal enumeration of all ordered quadruples (exactly 15 solutions, all diagonal).

last edited by David Renshaw at 2026-08-17 15:14:30 UTC · history