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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 4 |
| 3 | 5 |
| 4 | 15 |
| 5 | 112 |
| 6 | 113 |
| 7 | 83 |
| 8 | 3444 |
| 9 | 3445 |
| 10 | 479 |
| 11 | 114720 |
| 12 | 114721 |
| 13 | 2787 |
| 14 | 3883684 |
| 15 | 3883685 |
| 16 | 16239 |
| 17 | 131852560 |
| 18 | 131852561 |
| 19 | 94643 |
| 20 | 4478648724 |
| 21 | 4478648725 |
| 22 | 551615 |
| 23 | 152139554112 |
| 24 | 152139554113 |
| 25 | 3215043 |
| 26 | 5168250745924 |
| 27 | 5168250745925 |
| 28 | 18738639 |
| 29 | 175568295786160 |
| 30 | 175568295786161 |
[3,4,5,15,112,113,83,3444,3445,479,114720,114721, 2787,3883684,3883685,16239,131852560,131852561, 94643,4478648724,4478648725,551615,152139554112, 152139554113,3215043,5168250745924,5168250745925, 18738639,175568295786160,175568295786161] |