witness #3217

N: 723
|A|: 18
exponent log |A| / log N: 0.4390

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-19 22:57:50 UTC

Elements (18)

97, 156, 199, 238, 288, 289, 309, 376, 393, 412, 414, 471, 507, 544, 565, 570, 678, 699

Commentary

Ejection-chain local search seeded from witness 2702; independently verified by literal enumeration of all ordered quadruples (exactly 18 solutions, all diagonal).

last edited by David Renshaw at 2026-08-19 22:57:51 UTC · history