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pernicious n.  and  pronic n.

First numbers that belong to both sets:

6, 12, 20, 42, 56, 72, 110, 132, 182, 272, 342, 506, 552, 702, 812, 930, 992, 1056, 1190, 1332, 1640, 1722, 2162, 2450, 2756, 2862, 2970, 3080, 3306, 3540, 3782, 4160, 4422, 4692, 4970, 5700, 6320, 6480, 6806, 7310, 7832, 8372, 8742, 9120, 9506, 9900, 10302, 10506, 10712, 11342, 13572, 14520, 15500, 16002, 16256, 16512, 17030, 17556, 18090, 18632, 19740, 20592, 20880, 21170, 22952, 24806, 25122, 25760, 26732, 27390, 27722, 28730, 32220, 33306, 33672, 34040, 34410, 35532, 36290, 37442, 38220, 42642, 43056, 43472, 45582, 47742, 48620, 49062, 49952, 50850, 51302, 51756, 52670, 53592, 54056, 55460, 59780, 60270, 65792, 66822, 67860, 68906, 69960, 71556, 76452, 77562, 82082, 83232, 87320, 92720, 97656, 98282, 99540, 102080, 102720, 106602, 107912, 108570, 113906, 120756, 123552, 124962, 125670, 126380, 129960, 130682, 134322, 135056, 136530, 137270, 141000, 143262, 144020, 145542, 147072, 148610, 150156, 155630, 160400, 162812, 164430, 170982, 173472, 175980, 177662, 185330, 190532, 192282, 194922, 195806, 196692, 199362, 202050, 204756, 208392, 218556, 223256, 224202, 228006, 228962, 229920, 235710, 237656, 238632, 239610, 241572, 244530, 248502, 249500, 252506, 256542, 262656, 264710, 266772, 268842, 270920, 274052, 279312, 282492, 284622, 286760, 287832, 288906, 289982, 296480, 297570, 303050, 305256, 309692, 322056, 323192, 324330, 325470, 327756, 328902, 331200, 332352, 335820, 336980, 343982, 347510, 348690, 352242, 355812, 369056, 372710, 375156, 376382, 378840, 381306, 382542, 386262, 387506, 390000, 392502, 396270, 401322, 407682, 410240, 421850, 434940, 436260, 437582, 438906, 440232, 441560, 442890, 457652, 465806, 469910, 474032, 475410, 476790, 486506, 487902, 503390, 504810, 507656, 510510, 522006, 524900, 526350, 529256, 535092, 536556, 542432, 543906, 546860, 548340, 549822, 557262, 558756, 563250, 564752, 592130, 595212, 606062, 607620, 612306, 613872, 631230, 639200, 644006, 648830, 650442, 653672, 656910, 658532, 663410, 666672, 669942, 678152, 681450, 683102, 688070, 689730, 691392, 693056, 696390, 701406.

Some larger examples :