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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 44 |
| 3 | 3469 |
| 4 | 167614 |
| 5 | 7558495 |
| 6 | 352586943 |
| 7 | 16505365334 |
| 8 | 770615995060 |
| 9 | 35978245868462 |
| 10 | 1680090131446571 |
| 11 | 78453960278374893 |
| 12 | 3663456651896335065 |
| 13 | 171068067072237399646 |
| 14 | 7988166245960912052019 |
| 15 | 373013938796405801398629 |
[1,44,3469,167614,7558495,352586943,16505365334, 770615995060,35978245868462,1680090131446571, 78453960278374893,3663456651896335065, 171068067072237399646,7988166245960912052019, 373013938796405801398629] |