Ruzsa’s genus-one problem

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witness #1528

N: 455
|A|: 15
exponent log |A| / log N: 0.4425

status: current record for this modulus
submitted by: Yongxi (Aaron) Lin
submitted at: 2026-08-07 19:32:50 UTC

Elements (15)

104, 118, 122, 135, 143, 144, 304, 361, 377, 391, 408, 416, 417, 431, 452

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 19:32:50 UTC · history

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