witness #3240

N: 661
|A|: 16
exponent log |A| / log N: 0.4270

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-20 00:25:16 UTC

Elements (16)

0, 13, 18, 45, 49, 151, 163, 189, 221, 239, 436, 462, 479, 480, 485, 591

Commentary

Ejection-chain local search seeded from witness 2661; independently verified by literal enumeration of all ordered quadruples (exactly 16 solutions, all diagonal).

last edited by David Renshaw at 2026-08-20 00:25:16 UTC · history