witness #1487

N: 2,377
|A|: 28
exponent log |A| / log N: 0.4287

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-07 12:57:30 UTC

Elements (28)

1, 21, 33, 36, 38, 56, 86, 88, 98, 247, 267, 297, 317, 470, 474, 500, 504, 520, 524, 535, 539, 555, 559, 585, 589, 2348, 2350, 2360

Commentary

Found by seeding breakout-weighted local search with a 26-element database transfer and growing through size 27 to 28. Independently verified by literal enumeration of all ordered quadruples.

last edited by David Renshaw at 2026-08-07 12:57:30 UTC · history