witness #2982

N: 991
|A|: 18
exponent log |A| / log N: 0.4190

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-17 13:10:31 UTC

Elements (18)

0, 60, 104, 234, 250, 316, 356, 435, 439, 484, 512, 524, 550, 640, 662, 691, 746, 758

Commentary

Ejection-chain local search seeded from witness 2933; independently verified by exhaustive enumeration of all ordered quadruples (exactly 18 solutions, all diagonal).

last edited by David Renshaw at 2026-08-17 13:10:31 UTC · history