witness #3248

N: 647
|A|: 16
exponent log |A| / log N: 0.4284

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-20 00:31:04 UTC

Elements (16)

0, 34, 98, 172, 186, 212, 255, 288, 308, 329, 379, 480, 515, 522, 573, 607

Commentary

Ejection-chain local search seeded from witness 2651; independently verified by literal enumeration of all ordered quadruples (exactly 16 solutions, all diagonal).

last edited by David Renshaw at 2026-08-20 00:31:04 UTC · history