Ruzsa’s genus-one problem

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witness #1320

N: 245
|A|: 12
exponent log |A| / log N: 0.4517

status: current record for this modulus
submitted by: Yongxi (Aaron) Lin
submitted at: 2026-08-07 09:13:58 UTC

Elements (12)

6, 19, 36, 54, 97, 106, 110, 111, 137, 145, 202, 228

Commentary

Found by simulated annealing over subsets of Z/N, minimizing the count of nontrivial solutions to a+3b=2c+2d.

last edited by Yongxi (Aaron) Lin at 2026-08-07 09:13:58 UTC · history

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