Ruzsa’s genus-one problem

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witness #1319

N
238
|A|
11
exponent log |A| / log N
0.4382
status
current record for this modulus
submitted by
Yongxi (Aaron) Lin
submitted at
2026-08-07 09:13:56 UTC

Elements (11)

2, 15, 18, 36, 39, 58, 67, 120, 126, 141, 219

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 09:13:56 UTC · history

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