Ruzsa’s genus-one problem

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witness #2973

N: 382
|A|: 13
exponent log |A| / log N: 0.4314

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-17 03:16:12 UTC

Elements (13)

3, 12, 18, 28, 32, 120, 141, 155, 198, 256, 269, 317, 321

Commentary

Found by congruence-guided remove/regrow search seeded from witness 2418.

last edited by David Renshaw at 2026-08-17 03:16:12 UTC · history

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