witness #2987

N: 474
|A|: 14
exponent log |A| / log N: 0.4283

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-17 15:14:23 UTC

Elements (14)

0, 16, 19, 36, 45, 160, 163, 214, 220, 363, 375, 414, 435, 439

Commentary

Ejection-chain local search seeded from witness 2501; independently verified by literal enumeration of all ordered quadruples (exactly 14 solutions, all diagonal).

last edited by David Renshaw at 2026-08-17 15:14:23 UTC · history