| n | a(n) |
|---|---|
| 1 | 20 |
| 2 | 56 |
| 3 | 66 |
| 4 | 70 |
| 5 | 78 |
| 6 | 88 |
| 7 | 100 |
| 8 | 102 |
| 9 | 104 |
| 10 | 112 |
| 11 | 114 |
| 12 | 138 |
| 13 | 174 |
| 14 | 176 |
| 15 | 186 |
| 16 | 196 |
| 17 | 208 |
| 18 | 220 |
| 19 | 222 |
| 20 | 224 |
| 21 | 246 |
| 22 | 258 |
| 23 | 260 |
| 24 | 272 |
| 25 | 282 |
| 26 | 304 |
| 27 | 308 |
| 28 | 318 |
| 29 | 340 |
| 30 | 350 |
| 31 | 352 |
| 32 | 354 |
| 33 | 364 |
| 34 | 366 |
| 35 | 368 |
| 36 | 380 |
| 37 | 392 |
| 38 | 402 |
| 39 | 416 |
| 40 | 426 |
| 41 | 438 |
| 42 | 448 |
| 43 | 460 |
| 44 | 464 |
| 45 | 474 |
| 46 | 476 |
| 47 | 490 |
| 48 | 498 |
| 49 | 500 |
| 50 | 532 |
| 51 | 534 |
| 52 | 544 |
| 53 | 550 |
[20,56,66,70,78,88,100,102,104,112,114,138,174, 176,186,196,208,220,222,224,246,258,260,272,282, 304,308,318,340,350,352,354,364,366,368,380,392, 402,416,426,438,448,460,464,474,476,490,498,500, 532,534,544,550] |