witness #1721

N: 19,500
|A|: 100
exponent log |A| / log N: 0.4662

status: current record for this modulus
submitted by: Yongxi (Aaron) Lin
submitted at: 2026-08-08 04:11:59 UTC

Elements (100)

0, 1, 25, 26, 95, 96, 120, 121, 125, 126, 150, 151, 3870, 3871, 3920, 3921, 3995, 3996, 4045, 4046, 5435, 5436, 5445, 5446, 5460, 5461, 5560, 5561, 5570, 5571, 5585, 5586, 8550, 8551, 8575, 8576, 8675, 8676, 8700, 8701, 9335, 9336, 9385, 9386, 9460, 9461, 9510, 9511, 11675, 11676, 11720, 11721, 11725, 11726, 11800, 11801, 11845, 11846, 11850, 11851, 12500, 12501, 12625, 12626, 13220, 13221, 13245, 13246, 13345, 13346, 13370, 13371, 15575, 15576, 15700, 15701, 16350, 16351, 16400, 16401, 16475, 16476, 16525, 16526, 17120, 17121, 17185, 17186, 17195, 17196, 17245, 17246, 17310, 17311, 17320, 17321, 19470, 19471, 19495, 19496

Commentary

Sum-set lift C=A_5+5A_3900 from the 50-element score>0.8 record at N=3900. This gives 100 elements, improving the previous 90-element record at N=19500.

last edited by Yongxi (Aaron) Lin at 2026-08-08 04:11:59 UTC · history