witness #3215

N: 717
|A|: 17
exponent log |A| / log N: 0.4309

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-19 22:57:48 UTC

Elements (17)

49, 60, 99, 100, 106, 225, 334, 391, 406, 418, 426, 528, 532, 606, 618, 633, 691

Commentary

Ejection-chain local search seeded from witness 2698; independently verified by literal enumeration of all ordered quadruples (exactly 17 solutions, all diagonal).

last edited by David Renshaw at 2026-08-19 22:57:48 UTC · history