witness #3231

N: 618
|A|: 16
exponent log |A| / log N: 0.4314

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-20 00:16:44 UTC

Elements (16)

0, 18, 31, 156, 193, 228, 253, 261, 292, 297, 346, 466, 474, 507, 520, 529

Commentary

Ejection-chain local search seeded from witness 2629; independently verified by literal enumeration of all ordered quadruples (exactly 16 solutions, all diagonal).

last edited by David Renshaw at 2026-08-20 00:16:44 UTC · history