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| n | a(n) |
|---|---|
| 1 | 63973 |
| 2 | 461574735553 |
| 3 | 7103999557333 |
| 4 | 35498632881313 |
| 5 | 111463190499493 |
| 6 | 271061745643873 |
| 7 | 560604728986453 |
| 8 | 1036648928639233 |
| 9 | 1765997490154213 |
| 10 | 2825699916523393 |
| 11 | 4303052068178773 |
| 12 | 6295596162992353 |
| 13 | 8911120776276133 |
| 14 | 12267660840782113 |
| 15 | 16493497646702293 |
[63973,461574735553,7103999557333,35498632881313, 111463190499493,271061745643873,560604728986453, 1036648928639233,1765997490154213, 2825699916523393,4303052068178773, 6295596162992353,8911120776276133, 12267660840782113,16493497646702293] |