Ruzsa’s genus-one problem

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witness #2980

N: 398
|A|: 13
exponent log |A| / log N: 0.4285

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-17 03:17:05 UTC

Elements (13)

18, 30, 46, 65, 73, 107, 123, 172, 193, 201, 250, 301, 334

Commentary

Found by congruence-guided remove/regrow search seeded from witness 2431.

last edited by David Renshaw at 2026-08-17 03:17:05 UTC · history

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