witness #2981

N: 998
|A|: 19
exponent log |A| / log N: 0.4264

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-17 13:06:07 UTC

Elements (19)

0, 69, 97, 118, 235, 345, 406, 414, 442, 516, 580, 585, 613, 751, 771, 861, 930, 945, 958

Commentary

Ejection-chain local search seeded from witness 2940; independently verified by exhaustive enumeration of all ordered quadruples (exactly 19 solutions, all diagonal).

last edited by David Renshaw at 2026-08-17 13:06:08 UTC · history