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plaindrome  and  wasteful n.

First numbers that belong to both sets:

4, 6, 8, 9, 12, 18, 22, 24, 26, 28, 33, 34, 36, 38, 39, 44, 45, 46, 48, 55, 56, 57, 58, 66, 68, 69, 77, 78, 88, 99, 114, 116, 117, 124, 126, 136, 138, 144, 148, 156, 168, 188, 222, 225, 226, 228, 234, 236, 238, 244, 246, 247, 248, 255, 258, 266, 268, 278, 279, 288, 299, 333, 334, 336, 338, 339, 344, 345, 346, 348, 356, 357, 358, 366, 368, 369, 377, 378, 388, 399, 444, 446, 447, 455, 456, 458, 459, 466, 468, 477, 478, 488, 489, 555, 556, 558, 559, 566, 568, 578, 579, 588, 589, 666, 667, 668, 669, 678, 688, 689, 699, 777, 778, 779, 788, 789, 799, 888, 889, 899, 999, 1111, 1112, 1116, 1118, 1122, 1124, 1128, 1133, 1144, 1146, 1148, 1155, 1156, 1158, 1166, 1177, 1178, 1179, 1188, 1199, 1222, 1224, 1228, 1233, 1235, 1236, 1244, 1248, 1256, 1258, 1266, 1268, 1278, 1288, 1334, 1336, 1338, 1339, 1348, 1356, 1359, 1368, 1378, 1388, 1444, 1446, 1448, 1449, 1456, 1467, 1468, 1469, 1479, 1488, 1556, 1557, 1558, 1566, 1578, 1588, 1599, 1666, 1668, 1677, 1688, 1778, 1788, 1899, 2222, 2223, 2224, 2226, 2227, 2228, 2233, 2234, 2235, 2236, 2238, 2244, 2246, 2247, 2248, 2249, 2255, 2256, 2258, 2259, 2266, 2268, 2277, 2278, 2288, 2289, 2299, 2334, 2337, 2338, 2344, 2346, 2348, 2355, 2356, 2358, 2366, 2367, 2369, 2378, 2379, 2388, 2444, 2445, 2446, 2448, 2456, 2457, 2458, 2466, 2468, 2478, 2488, 2489, 2499, 2556, 2558, 2566, 2567, 2568, 2578, 2588, 2599, 2666, 2667, 2668, 2669, 2678, 2679, 2778, 2788, 2799, 2888, 2889, 2899, 3333, 3334, 3335, 3336, 3338, 3339, 3344, 3345, 3346, 3348, 3349, 3355, 3356, 3357, 3358, 3366.

Some larger examples :