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amenable n.  and  upside-down n.

First numbers that belong to both sets:

5, 28, 37, 64, 73, 357, 456, 753, 852, 1289, 1469, 1649, 1829, 2288, 2468, 2648, 2828, 3197, 3377, 3557, 3737, 3917, 4196, 4376, 4556, 4736, 4916, 5285, 5465, 5645, 5825, 6284, 6464, 6644, 6824, 7193, 7373, 7553, 7733, 7913, 8192, 8372, 8552, 8732, 8912, 9281, 9461, 9641, 9821, 12589, 14569, 16549, 18529, 22588, 24568, 26548, 28528, 31597, 33577, 35557, 37537, 39517, 41596, 43576, 45556, 47536, 49516, 52585, 54565, 56545, 58525, 62584, 64564, 66544, 68524, 71593, 73573, 75553, 77533, 79513, 81592, 83572, 85552, 87532, 89512, 92581, 94561, 96541, 98521, 121989, 122889, 123789, 124689, 125589, 126489, 127389, 128289, 129189, 141969, 142869, 143769, 144669, 145569, 146469, 147369, 148269, 149169, 161949, 162849, 163749, 164649, 165549, 166449, 167349, 168249, 169149, 181929, 182829, 183729, 184629, 185529, 186429, 187329, 188229, 189129, 221988, 222888, 223788, 224688, 225588, 226488, 227388, 228288, 229188, 241968, 242868, 243768, 244668, 245568, 246468, 247368, 248268, 249168, 261948, 262848, 263748, 264648, 265548, 266448, 267348, 268248, 269148, 281928, 282828, 283728, 284628, 285528, 286428, 287328, 288228, 289128, 311997, 312897, 313797, 314697, 315597, 316497, 317397, 318297, 319197, 331977, 332877, 333777, 334677, 335577, 336477, 337377, 338277, 339177, 351957, 352857, 353757, 354657, 355557, 356457, 357357, 358257, 359157, 371937, 372837, 373737, 374637, 375537, 376437, 377337, 378237, 379137, 391917, 392817, 393717, 394617, 395517, 396417, 397317, 398217, 399117, 411996, 412896, 413796, 414696, 415596, 416496, 417396, 418296, 419196, 431976, 432876, 433776, 434676, 435576, 436476, 437376, 438276, 439176, 451956, 452856, 453756, 454656, 455556, 456456, 457356, 458256, 459156, 471936, 472836, 473736, 474636, 475536, 476436, 477336, 478236, 479136, 491916, 492816, 493716, 494616, 495516, 496416, 497316, 498216, 499116, 521985, 522885, 523785, 524685, 525585, 526485, 527385, 528285, 529185, 541965, 542865, 543765, 544665, 545565, 546465, 547365, 548265, 549165, 561945, 562845, 563745, 564645, 565545, 566445, 567345, 568245, 569145, 581925, 582825.

Some larger examples :