Ruzsa’s genus-one problem

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witness #2977

N: 389
|A|: 13
exponent log |A| / log N: 0.4301

status: current record for this modulus
submitted by: David Renshaw
submitted at: 2026-08-17 03:16:25 UTC

Elements (13)

11, 20, 26, 170, 230, 240, 266, 317, 319, 326, 336, 345, 365

Commentary

Found by congruence-guided remove/regrow search seeded from witness 2424.

last edited by David Renshaw at 2026-08-17 03:16:25 UTC · history

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