witness #2983

N: 989
|A|: 18
exponent log |A| / log N: 0.4191

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-17 13:57:23 UTC

Elements (18)

0, 9, 115, 124, 236, 242, 321, 378, 383, 525, 536, 548, 645, 649, 752, 770, 900, 964

Commentary

Ejection-chain local search seeded from witness 2931; independently verified by exhaustive enumeration of all ordered quadruples (exactly 18 solutions, all diagonal).

last edited by David Renshaw at 2026-08-17 13:57:23 UTC · history