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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 5 |
| 5 | 38 |
| 6 | 68 |
| 7 | 80 |
| 8 | 128 |
| 9 | 158 |
| 10 | 164 |
| 11 | 188 |
| 12 | 192 |
| 13 | 206 |
| 14 | 212 |
| 15 | 224 |
| 16 | 278 |
| 17 | 290 |
| 18 | 308 |
| 19 | 326 |
| 20 | 368 |
| 21 | 380 |
| 22 | 398 |
| 23 | 416 |
| 24 | 432 |
| 25 | 458 |
| 26 | 518 |
| 27 | 530 |
| 28 | 536 |
| 29 | 542 |
| 30 | 548 |
| 31 | 578 |
| 32 | 584 |
| 33 | 600 |
| 34 | 626 |
| 35 | 632 |
| 36 | 692 |
| 37 | 702 |
| 38 | 710 |
| 39 | 752 |
| 40 | 758 |
| 41 | 770 |
| 42 | 782 |
| 43 | 788 |
| 44 | 818 |
| 45 | 822 |
| 46 | 836 |
| 47 | 852 |
| 48 | 872 |
| 49 | 896 |
| 50 | 902 |
| 51 | 926 |
| 52 | 938 |
| 53 | 968 |
| 54 | 998 |
[2,3,4,5,38,68,80,128,158,164,188,192,206,212,224, 278,290,308,326,368,380,398,416,432,458,518,530, 536,542,548,578,584,600,626,632,692,702,710,752, 758,770,782,788,818,822,836,852,872,896,902,926, 938,968,998] |