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Search a number
congruent n.  and  interprime n.

First numbers that belong to both sets:

6, 15, 21, 30, 34, 39, 45, 56, 60, 69, 86, 93, 102, 111, 120, 134, 138, 150, 154, 165, 180, 198, 205, 231, 240, 246, 254, 260, 270, 279, 309, 312, 334, 342, 348, 351, 376, 381, 386, 399, 405, 414, 426, 436, 446, 453, 462, 465, 495, 501, 532, 544, 552, 566, 574, 582, 590, 596, 600, 604, 615, 636, 645, 656, 660, 687, 696, 723, 736, 741, 759, 765, 792, 822, 828, 846, 855, 861, 870, 879, 885, 909, 915, 924, 933, 950, 960, 974, 980, 987, 1003, 1016, 1020, 1044, 1062, 1078, 1095, 1113, 1120, 1126, 1140, 1158, 1167, 1176, 1190, 1197, 1207, 1215, 1230, 1254, 1268, 1278, 1286, 1294, 1302, 1305, 1320, 1344, 1364, 1390, 1404, 1428, 1431, 1436, 1443, 1449, 1476, 1482, 1485, 1488, 1496, 1517, 1527, 1551, 1556, 1575, 1581, 1590, 1599, 1616, 1620, 1624, 1632, 1647, 1660, 1695, 1704, 1744, 1750, 1756, 1768, 1780, 1785, 1788, 1806, 1839, 1854, 1869, 1872, 1878, 1884, 1895, 1904, 1910, 1941, 1950, 1976, 1983, 1990, 1995, 1998, 2007, 2014, 2022, 2034, 2046, 2085, 2094, 2130, 2134, 2139, 2142, 2157, 2170, 2191, 2205, 2229, 2238, 2247, 2268, 2271, 2277, 2295, 2303, 2310, 2340, 2349, 2364, 2374, 2379, 2382, 2391, 2396, 2405, 2414, 2420, 2430, 2439, 2453, 2463, 2470, 2512, 2526, 2535, 2541, 2550, 2613, 2619, 2640, 2652, 2661, 2680, 2685, 2691, 2696, 2703, 2709, 2712, 2716, 2730, 2751, 2772, 2783, 2790, 2799, 2840, 2847, 2854, 2870, 2892, 2900, 2933, 2966, 2970, 3000, 3006, 3015, 3021, 3030, 3039, 3045, 3055, 3064, 3081, 3086, 3099, 3129, 3150, 3165, 3168, 3175, 3184, 3189, 3197, 3206, 3213, 3252, 3255, 3265, 3285, 3310, 3316, 3321, 3326, 3360, 3366, 3381, 3390, 3399, 3423.

Some larger examples :