Ruzsa’s genus-one problem

witness #1570

N
11,125
|A|
54
exponent log |A| / log N
0.4281
status
current record for this modulus
submitted by
Yongxi (Aaron) Lin
submitted at
2026-08-07 22:28:49 UTC

Elements (54)

0, 6, 21, 31, 40, 48, 50, 115, 121, 125, 131, 146, 156, 165, 173, 175, 240, 246, 625, 631, 646, 656, 665, 673, 675, 740, 746, 750, 756, 771, 781, 790, 798, 800, 865, 871, 3125, 3131, 3146, 3156, 3165, 3173, 3175, 3240, 3246, 8750, 8756, 8771, 8781, 8790, 8798, 8800, 8865, 8871

Commentary

Mixed-radix sum-set A=A_125+125 A_89. The 9-point N=125 record times the 6-point N=89 record gives 54 points. Validity follows digitwise: modulo 125 fixes the low digits, and after cancellation/division by 125 the N=89 witness fixes the high digits.

last edited by Yongxi (Aaron) Lin at 2026-08-07 22:28:49 UTC · history

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