witness #3218

N: 728
|A|: 17
exponent log |A| / log N: 0.4299

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-19 22:57:52 UTC

Elements (17)

0, 7, 78, 98, 273, 284, 310, 351, 401, 446, 557, 579, 589, 615, 670, 706, 719

Commentary

Ejection-chain local search seeded from witness 2706; independently verified by literal enumeration of all ordered quadruples (exactly 17 solutions, all diagonal).

last edited by David Renshaw at 2026-08-19 22:57:52 UTC · history