Ruzsa’s genus-one problem

Elements (77)

0, 1, 5, 6, 25, 26, 30, 31, 126, 131, 151, 156, 250, 253, 255, 268, 275, 278, 280, 625, 626, 630, 631, 650, 651, 655, 656, 751, 756, 776, 781, 875, 878, 890, 898, 900, 903, 2130, 2143, 2155, 3125, 3126, 3130, 3131, 3150, 3151, 3155, 3156, 3251, 3256, 3276, 3281, 3375, 3378, 3380, 3393, 3400, 3403, 3405, 3750, 3751, 3755, 3756, 3775, 3776, 3780, 3781, 3876, 3881, 3901, 3906, 4000, 4003, 4015, 4023, 4025, 4028