属于这两组的第一个数字：
三,7,151,727,787,10501,13831,18181,30103,70207,72727,77377,78487,93139,94849,96469,96769,98689,1008001,1062601,1160611,1190911,1253521,1327231,1409041,1447441,1463641,1490941,1640461,1670761,1684861,1730371,1826281,1968691,1970791,3064603,3091903,3233323,3353533,3380833,3427243,3443443,3503053,3680863,3765673,3814183,3858583,3942493,3948493,7073707,7084807,7136317,7158517,7267627,7365637,7632367,7681867,7774777,7807087,7897987,9078709,9200029,9222229,9329239,9451549,9514159.