6, 9, 18, 21, 27, 54, 63, 91, 153, 189, 357, 369, 553, 697, 801, 1027, 1266, 1387, 1513, 1729, 1869, 2701, 2821, 3213, 3649, 4033, 4431, 6273, 6533, 6541, 6601, 6643, 7189, 7957, 8911, 9773, 9937, 10649, 10761, 13333, 13617, 13833, 14981, 15457, 15841