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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 113 |
| 3 | 2502 |
| 4 | 50720 |
| 5 | 1000725 |
| 6 | 19654292 |
| 7 | 385935282 |
| 8 | 7579570311 |
| 9 | 148869588338 |
| 10 | 2923988203008 |
| 11 | 57431069385100 |
| 12 | 1128024279705628 |
| 13 | 22155931579758019 |
| 14 | 435172637255862047 |
| 15 | 8547382559268828602 |
| 16 | 167882220114753100654 |
[5,113,2502,50720,1000725,19654292,385935282, 7579570311,148869588338,2923988203008, 57431069385100,1128024279705628,22155931579758019, 435172637255862047,8547382559268828602, 167882220114753100654] |