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| n | a(n) |
|---|---|
| 1 | 13720 |
| 2 | 216340 |
| 3 | 3607280 |
| 4 | 62377580 |
| 5 | 1099360056 |
| 6 | 19356846358 |
| 7 | 338611786558 |
| 8 | 5938320805688 |
| 9 | 104483857316574 |
| 10 | 1836937498422642 |
| 11 | 32233934643957640 |
| 12 | 565952621191068850 |
| 13 | 9945952823588731012 |
| 14 | 174746395248353729512 |
[13720,216340,3607280,62377580,1099360056, 19356846358,338611786558,5938320805688, 104483857316574,1836937498422642, 32233934643957640,565952621191068850, 9945952823588731012,174746395248353729512] |